Keyword: theory

82 articles found.

Research Article

Early learning, tutoring, and STEM motivation: Impact on Korean students’ mathematics achievement

Jung Han, Hyeree Cho, Sol Lee, Ammi Chang, Hyunuk Park, Yunjin Lim

EURASIA J Math Sci Tech Ed, Volume 20, Issue 6, June 2024, Article No: em2460

https://doi.org/10.29333/ejmste/14659

Review Article

Advances and trends in research on mathematical working spaces: A systematic review

Darlis Panqueban, Carolina Henríquez-Rivas, Alain Kuzniak

EURASIA J Math Sci Tech Ed, Volume 20, Issue 6, June 2024, Article No: em2450

https://doi.org/10.29333/ejmste/14588

Research Article

A study of mathematical understanding levels in set theory based on the APOS framework by using python programming language for secondary school students

Khemjira Tiengyoo, Sayun Sotaro, Sermsri Thaithae

EURASIA J Math Sci Tech Ed, Volume 20, Issue 2, February 2024, Article No: em2400

https://doi.org/10.29333/ejmste/14158

Research Article

How do pre-service teachers view Galois theory? A questionnaire study

Joaquin Marc Veith, Boris Girnat, Bianca Winkler, Eleonore Becker, Richard Becher, Philipp Bitzenbauer

EURASIA J Math Sci Tech Ed, Volume 20, Issue 1, January 2024, Article No: em2389

https://doi.org/10.29333/ejmste/14120

Research Article

Design-based research–Tension between practical relevance and knowledge generation–What can we learn from projects?

Claudia Haagen-Schützenhöfer, Markus Obczovsky, Paula Kislinger

EURASIA J Math Sci Tech Ed, Volume 20, Issue 1, January 2024, Article No: em2378

https://doi.org/10.29333/ejmste/13928

Research Article

Design of teaching aids in STEAM education and fuzzy hierarchical analysis of their educational effect

Jui-Jung Wei, Hsin-Hung Lin, Shieh-Liang Chen

EURASIA J Math Sci Tech Ed, Volume 19, Issue 11, November 2023, Article No: em2354

https://doi.org/10.29333/ejmste/13749

Research Article

Undergraduate students’ conceptualization of elementary row operations in solving systems of linear equations

Benjamin Tatira

EURASIA J Math Sci Tech Ed, Volume 19, Issue 11, November 2023, Article No: em2349

https://doi.org/10.29333/ejmste/13679

Research Article

Mismatching ideas among the experts–Producing science edu-communication media for the citizen

Leon Yufeng Wu

EURASIA J Math Sci Tech Ed, Volume 19, Issue 9, September 2023, Article No: em2326

https://doi.org/10.29333/ejmste/13509

Research Article

Exploring mathematical connections in the context of proof and mathematical argumentation: A new proposal of networking of theories

Camilo Andrés Rodríguez-Nieto, Jonathan Alberto Cervantes-Barraza, Vicenç Font Moll

EURASIA J Math Sci Tech Ed, Volume 19, Issue 5, May 2023, Article No: em2264

https://doi.org/10.29333/ejmste/13157

Research Article

Theory of planned behavior to analyze students’ intentions in consuming tap water

Muhammad Saefi, Ahmad Fauzi, Evi Kristiana, Widi Cahya Adi, Novita Nurul Islami, M. Alifudin Ikhsan, Mavindra Ramadhani, Dian Eka Aprilia Fitria Ningrum, M. Eval Setiawan, M. Muchson

EURASIA J Math Sci Tech Ed, Volume 19, Issue 3, March 2023, Article No: em2236

https://doi.org/10.29333/ejmste/12976

Research Article

An empirically-based practical-realistic pedagogic mathematical model for teaching and learning of an antenna theory and design course

Vojo George Fasinu, Nadaraj Govender, Pradeep Kumar

EURASIA J Math Sci Tech Ed, Volume 19, Issue 1, January 2023, Article No: em2207

https://doi.org/10.29333/ejmste/12769

Research Article

Science pre-service teachers’ experience with mentors during teaching practice

Tafirenyika Mafugu

EURASIA J Math Sci Tech Ed, Volume 18, Issue 11, November 2022, Article No: em2170

https://doi.org/10.29333/ejmste/12476

Research Article

Metaphoric beliefs of students engaged in dynamic mathematics lessons

Kan Kan Chan, Barry Lee Reynolds

EURASIA J Math Sci Tech Ed, Volume 18, Issue 10, October 2022, Article No: em2169

https://doi.org/10.29333/ejmste/12463

Research Article

Cognitive obstacles in the learning of complex number concepts: A case study of in-service undergraduate physics student-teachers in Zimbabwe

Lillias Hamufari Natsai Mutambara, Maria Tsakeni

EURASIA J Math Sci Tech Ed, Volume 18, Issue 10, October 2022, Article No: em2158

https://doi.org/10.29333/ejmste/12418

Research Article

The role of affective learner characteristics for learning about abstract algebra: A multiple linear regression analysis

Joaquin Marc Veith, Boris Girnat, Philipp Bitzenbauer

EURASIA J Math Sci Tech Ed, Volume 18, Issue 10, October 2022, Article No: em2157

https://doi.org/10.29333/ejmste/12417

Research Article

Measuring pre-service elementary teachers’ geometry knowledge for teaching 2-dimensional shapes

Minju Yi, Jian Wang, Raymond Flores, Jaehoon Lee

EURASIA J Math Sci Tech Ed, Volume 18, Issue 8, August 2022, Article No: em2137

https://doi.org/10.29333/ejmste/12220

Research Article

The Use of Logical Implication as an Indicator of Understanding the Concept of Number Sequences

José Mariano Bajo-Benito, Gloria Sánchez-Matamoros García, José María Gavilán-Izquierdo

EURASIA J Math Sci Tech Ed, Volume 17, Issue 12, December 2021, Article No: em2058

https://doi.org/10.29333/ejmste/11429

Research Article

Exploring the Effectiveness of STEAM Integrated Approach via Scratch on Computational Thinking

Wee-Ling Tan, Mohd Ali Samsudin, Mohd Erfy Ismail, Nur Jahan Ahmad, Corrienna Abdul Talib

EURASIA J Math Sci Tech Ed, Volume 17, Issue 12, December 2021, Article No: em2049

https://doi.org/10.29333/ejmste/11403

Research Article

Mathematics Education Students’ Understanding of Binomial Series Expansion Based on the APOS Theory

Benjamin Tatira

EURASIA J Math Sci Tech Ed, Volume 17, Issue 12, December 2021, Article No: em2035

https://doi.org/10.29333/ejmste/11287

Research Article

Adult Learners’ Responses to Online Learning: A Qualitative Analysis Grounded in Self-determination Theory

Nailya R. Salikhova, Martin F. Lynch, Albina B. Salikhova

EURASIA J Math Sci Tech Ed, Volume 17, Issue 10, October 2021, Article No: em2011

https://doi.org/10.29333/ejmste/11176

Research Article

Characterizing Levels of Reasoning in Graph Theory

Antonio González, Inés Gallego-Sánchez, José María Gavilán-Izquierdo, María Luz Puertas

EURASIA J Math Sci Tech Ed, Volume 17, Issue 8, August 2021, Article No: em1990

https://doi.org/10.29333/ejmste/11020

Research Article

Grade 11 Students’ Reflections on their Euclidean Geometry Learning Experiences

Eric Machisi

EURASIA J Math Sci Tech Ed, Volume 17, Issue 2, February 2021, Article No: em1938

https://doi.org/10.29333/ejmste/9672

Original Article

Parents’ Daily Household Activities on Child Litter Awareness: An Action Research Case

Tsebo Kgoto Matsekoleng

EURASIA J Math Sci Tech Ed, Volume 16, Issue 12, December 2020, Article No: em1924

https://doi.org/10.29333/ejmste/9343

Research Article

Characteristics of Secondary Students who have Intentions to Choose a STEM Major in College: Findings from a Three-Year Study

Alpaslan Sahin, Hersh C Waxman

EURASIA J Math Sci Tech Ed, Volume 16, Issue 12, December 2020, Article No: em1922

https://doi.org/10.29333/ejmste/9332

Research Article

Differences between how Undergraduate Students Define Geometric Solids and what their Lecturers Expect from them through the Lens of the Theory of Commognition

Verónica Martín-Molina, Alfonso J. González-Regaña, Rocío Toscano, José María Gavilán-Izquierdo

EURASIA J Math Sci Tech Ed, Volume 16, Issue 12, December 2020, Article No: em1917

https://doi.org/10.29333/ejmste/9159

Research Article

Exploring Cluster Changes in Students’ Knowledge Structures Throughout General Chemistry

Ozcan Gulacar, Alexandra Milkey, Ingo Eilks

EURASIA J Math Sci Tech Ed, Volume 16, Issue 6, June 2020, Article No: em1850

https://doi.org/10.29333/ejmste/7860

Research Article

Evaluation of Students’ Mathematical Ability in Afghanistan’s Schools Using Cognitive Diagnosis Models

Mohammad Nasim Wafa, Sayed Abdul Moqim Hussaini, Jumakhan Pazhman

EURASIA J Math Sci Tech Ed, Volume 16, Issue 6, June 2020, Article No: em1849

https://doi.org/10.29333/ejmste/7834

Research Article

Exploring the Conceptual Understanding of the Quadratic Function Concept in Teachers’ Colleges in Zimbabwe

Lillias Hamufari Natsai Mutambara, Jane Tendere, Conilius Jaison Chagwiza

EURASIA J Math Sci Tech Ed, Volume 16, Issue 2, February 2020, Article No: em1817

https://doi.org/10.29333/ejmste/112617

Research Article

Local Instruction Theories at the University Level: An Example in a Linear Algebra Course

Andrea Cárcamo, Claudio Fuentealba, Diego Garzón

EURASIA J Math Sci Tech Ed, Volume 15, Issue 12, December 2019, Article No: em1781

https://doi.org/10.29333/ejmste/108648

Research Article

Swedish Fifth and Sixth Graders’ Motivational Values and the Use of ICT in Mathematics Education

Timo Tossavainen, Ewa-Charlotte Faarinen

EURASIA J Math Sci Tech Ed, Volume 15, Issue 12, December 2019, Article No: em1776

https://doi.org/10.29333/ejmste/108533

Research Article

Tracing Effect in the Worked Examples-based Learning: An Exploration of Individual Differences in Working Memory Capacity

Lian-Ming Yeo, Yuh-Tsuen Tzeng

EURASIA J Math Sci Tech Ed, Volume 15, Issue 10, October 2019, Article No: em1760

https://doi.org/10.29333/ejmste/105482

Research Article

Fairness Principle in Accreditation of Health Specialists: The Differential Item Functioning Method

Zhanna M. Sizova, Tatyana V. Semenova, Natalia N. Naydenova, Victoria V. Narbut, Marina B. Chelyshkova, Alfiya R. Masalimova

EURASIA J Math Sci Tech Ed, Volume 15, Issue 9, September 2019, Article No: em1749

https://doi.org/10.29333/ejmste/108485

Research Article

Exploring the Switching Intention of Learners on Social Network-based Learning Platforms: A Perspective of the Push–Pull–Mooring Model

Yi-Wen Liao, Yueh-Min Huang, Shu-Hsien Huang, Hsin-Chin Chen, Chun-Wang Wei

EURASIA J Math Sci Tech Ed, Volume 15, Issue 9, September 2019, Article No: em1747

https://doi.org/10.29333/ejmste/108483

Research Article

Praxeological Change and the Density of Rational Numbers: The Case of Pre-service Teachers in Denmark and Indonesia

Zetra Hainul Putra

EURASIA J Math Sci Tech Ed, Volume 15, Issue 5, May 2019, Article No: em1711

https://doi.org/10.29333/ejmste/105867

Research Article

Using Cogenerative Dialogues to Transform Contradictions in Project-Based Learning

Pei-Ling Hsu, Yi-Yu Liao

EURASIA J Math Sci Tech Ed, Volume 14, Issue 12, December 2018, Article No: em1623

https://doi.org/10.29333/ejmste/95127

Research Article

Teachers’ Beliefs About, Attitudes Toward, and Intention to Use Technology-Based Assessments: a Structural Equation Modeling Approach

Sung-Pei Chien, Hsin-Kai Wu, Pai-Hsing Wu

EURASIA J Math Sci Tech Ed, Volume 14, Issue 10, October 2018, Article No: em1594

https://doi.org/10.29333/ejmste/93379

Research Article

Analysing Teachers’ Representations of Digital Technology Using a Grounded Theory Approach

Rodica Ailincai, Zehra Gabillon

EURASIA J Math Sci Tech Ed, Volume 14, Issue 10, October 2018, Article No: em1595

https://doi.org/10.29333/ejmste/93380

Research Article

Out-of-school Activity: A Comparison of the Experiences of Rural and Urban Participants in Science Fairs in the Limpopo Province, South Africa

Sure Mupezeni, Jeanne Kriek

EURASIA J Math Sci Tech Ed, Volume 14, Issue 8, August 2018, Article No: em1577

https://doi.org/10.29333/ejmste/92041

Research Article

In Search of a Working Strategy: The AHA... Moment in the Teaching of Science Subjects at Two South African High Schools

Kgomotsego B. Samuel, Washington T. Dudu

EURASIA J Math Sci Tech Ed, Volume 14, Issue 8, August 2018, Article No: em1566

https://doi.org/10.29333/ejmste/91921

Research Article

Students’ Utilization of Distance Learning through an Interventional Online Module Based on Moore Transactional Distance Theory

Hassan Abuhassna, Noraffandy Yahaya

EURASIA J Math Sci Tech Ed, Volume 14, Issue 7, July 2018, 3043-3052

https://doi.org/10.29333/ejmste/91606

Research Article

Application of the APOS-ACE Theory to improve Students’ Graphical Understanding of Derivative

Vahid Borji, Hassan Alamolhodaei, Farzad Radmehr

EURASIA J Math Sci Tech Ed, Volume 14, Issue 7, July 2018, 2947-2967

https://doi.org/10.29333/ejmste/91451

Research Article

Influence of Instructional Design to Manage Intrinsic Cognitive Load on Learning Effectiveness

Yi-Hung Huang

EURASIA J Math Sci Tech Ed, Volume 14, Issue 6, June 2018, 2653-2668

https://doi.org/10.29333/ejmste/90264

Research Article

Application of the Complementarities of Two Theories, APOS and OSA, for the Analysis of the University Students’ Understanding on the Graph of the Function and its Derivative

Vahid Borji, Vicenç Font, Hassan Alamolhodaei, Alicia Sánchez

EURASIA J Math Sci Tech Ed, Volume 14, Issue 6, June 2018, 2301-2315

https://doi.org/10.29333/ejmste/89514

Research Article

The Rising of Green Society: Low-Carbon Consumption as a Result of Environmental Education in China

Lie’en Weng, Shuigen Hu, Zhujun Tao, Jingrui Xu

EURASIA J Math Sci Tech Ed, Volume 14, Issue 6, June 2018, 2169-2183

https://doi.org/10.29333/ejmste/85939

Research Article

A Study on User Behavior Analysis of Integrate Beacon Technology into Library Information Services

Ding-Yu Liu, Kuei-Shu Hsu

EURASIA J Math Sci Tech Ed, Volume 14, Issue 5, May 2018, 1987-1997

https://doi.org/10.29333/ejmste/85865

Research Article

Predicting Teachers’ Behavioral Intentions Regarding Web-based Professional Development by the Theory of Planned Behavior

Chia-Pin Kao, Kuen-Yi Lin, Hui-Min Chien

EURASIA J Math Sci Tech Ed, Volume 14, Issue 5, May 2018, 1887-1897

https://doi.org/10.29333/ejmste/85425

Research Article

Patent Applying or Not Applying: What Factors Motivating Students’ Intention to Engage in Patent Activities

Mei-Lan Lin, Tai-Kuei Yu

EURASIA J Math Sci Tech Ed, Volume 14, Issue 5, May 2018, 1843-1858

https://doi.org/10.29333/ejmste/85420

Research Article

Empirical Study on the Factors Influencing the Web-based Teaching Effect

Jian-Fei Chen, Hai-Feng Huang

EURASIA J Math Sci Tech Ed, Volume 14, Issue 5, May 2018, 1635-1643

https://doi.org/10.29333/ejmste/85035

Research Article

Assessing Science Motivation for College Students: Validation of the Science Motivation Questionnaire II using the Rasch-Andrich Rating Scale Model

Hye Sun You, Kyungun Kim, Karynne Black, Kyung Woo Min

EURASIA J Math Sci Tech Ed, Volume 14, Issue 4, April 2018, 1161-1173

https://doi.org/10.29333/ejmste/81821

Research Article

Analyzing the Growth of a Pre-Service Science Teacher Community through the Lens of Cultural Historical Activity Theory: The Case of a Three-Year Voluntary Science Teaching Program

Seyoung Hwang, Namsoo Kim, Sang-Hak Jeon, Hyeon-Pyo Shim, Kum-Bok Ryu

EURASIA J Math Sci Tech Ed, Volume 14, Issue 4, April 2018, 1133-1145

https://doi.org/10.29333/ejmste/81810

Research Article

Analysis Problem Solving in Mathematical Using Theory Newman

Mushlihah Rohmah, Sugeng Sutiarso

EURASIA J Math Sci Tech Ed, Volume 14, Issue 2, February 2018, 671-681

https://doi.org/10.12973/ejmste/80630

Research Article

Nurturing Learners’ Awareness of Littering through Environmental Campaigns: An Action Research Approach

Tomé Awshar Mapotse, Tsebo Kgoto Mashiloane

EURASIA J Math Sci Tech Ed, Volume 13, Issue 10, October 2017, 6909-6921

https://doi.org/10.12973/ejmste/76658

Research Article

Realization of the Speech Acts of Request and Apology by Middle Eastern EFL Learners

Yaseen Alzeebaree, Mehmet Ali Yavuz

EURASIA J Math Sci Tech Ed, Volume 13, Issue 11, November 2017, 7313-7327

https://doi.org/10.12973/ejmste/79603

Research Article

Dynamic Simulation of Mechanism in Theory Mechanics Teaching

Tong-Jie Li, Juan Wang

EURASIA J Math Sci Tech Ed, Volume 13, Issue 8, August 2017, 5997-6004

https://doi.org/10.12973/eurasia.2017.01047a

Research Article

Research and Practice of Hybrid Teaching Model of Trinity

Xiu-Ping Dong

EURASIA J Math Sci Tech Ed, Volume 13, Issue 8, August 2017, 5589-5596

https://doi.org/10.12973/eurasia.2017.01012a

Research Article

Training Mode of Innovative Talents of Civil Engineering Education Based on TRIZ Theory in China

Junfu Lu, Xiaoqiang Xue

EURASIA J Math Sci Tech Ed, Volume 13, Issue 7, July 2017, 4301-4309

https://doi.org/10.12973/eurasia.2017.00835a

Research Article

Multimedia Instruction Presented by Integrated Context to Enhance Understanding of Compass-and-Straightedge Construction

Ming-Jang Chen, Chun-Yi Lee, Kin Hang Lei, Tai-Yih Tso, Shih-Li Lin

EURASIA J Math Sci Tech Ed, Volume 13, Issue 7, July 2017, 3735-3752

https://doi.org/10.12973/eurasia.2017.00756a

Research Article

Contributions of Model-Based Learning to the Restructuring of Graduation Students’ Mental Models on Natural Hazards

Sara Moutinho, Rui Moura, Clara Vasconcelos

EURASIA J Math Sci Tech Ed, Volume 13, Issue 7, July 2017, 3043-3068

https://doi.org/10.12973/eurasia.2017.00704a

Research Article

Generalizability Theory Research On Developing a Scoring Rubric to Assess Primary School Students' Problem Posing Skills

Osman Cankoy, Hasan Özder

EURASIA J Math Sci Tech Ed, Volume 13, Issue 6, June 2017, 2423-2439

https://doi.org/10.12973/eurasia.2017.01233a

Research Article

Behavioural Intention and Pre-Service Mathematics Teachers’ Technological Pedagogical Content Knowledge

Maria Jose Gonzalez, Ignacio Gonzalez Ruiz

EURASIA J Math Sci Tech Ed, Volume 13, Issue 3, March 2017, 601-620

https://doi.org/10.12973/eurasia.2017.00635a

Research Article

A Computer Approach to Mathematics Curriculum Developments Debugging

Angélica Martínez-Zarzuelo, Eugenio Roanes-Lozano, Mª José Fernández-Díaz

EURASIA J Math Sci Tech Ed, Volume 12, Issue 12, December 2016, 2961-2974

https://doi.org/10.12973/eurasia.2016.02316a

Research Article

An Interactive Learning Environment for Information and Communication Theory

Mohamed Hamada, Mohammed Hassan

EURASIA J Math Sci Tech Ed, Volume 13, Issue 1, January 2017, 35-59

https://doi.org/10.12973/eurasia.2017.00603a

Research Article

Critical Factors That Influence the Success of Cultivating Seed Teachers in Environmental Education

Sung-Lin Hsueh, Fu-Long Su

EURASIA J Math Sci Tech Ed, Volume 12, Issue 11, November 2016, 2817-2833

https://doi.org/10.12973/eurasia.2016.02306a

Research Article

Lessons Learnt From Employing van Hiele Theory Based Instruction In Senior Secondary School Geometry Classrooms

Jogymol Kalariparambil Alex, Kuttickattu John Mammen

EURASIA J Math Sci Tech Ed, Volume 12, Issue 8, August 2016, 2223-2236

https://doi.org/10.12973/eurasia.2016.1228a

Research Article

Geometrical Sense Making: Findings of Analysis Based on the Characteristics of the van Hiele Theory among a Sample of South African Grade 10 Learners

Jogymol Kalariparambil Alex, John Kuttickattu Mammen

EURASIA J Math Sci Tech Ed, Volume 12, Issue 2, February 2016, 173-188

https://doi.org/10.12973/eurasia.2016.1211a

Research Article

An Application of Multivariate Generalizability in Selection of Mathematically Gifted Students

Sungyeun Kim, Dan Berebitsky

EURASIA J Math Sci Tech Ed, Volume 12, Issue 9, September 2016, 2587-2598

https://doi.org/10.12973/eurasia.2016.1269a

Research Article

The Development of a Mathematics Self-Report Inventory for Turkish Elementary Students

Ayça Akın, Cem Oktay Güzeller, Sinem Sezer Evcan

EURASIA J Math Sci Tech Ed, Volume 12, Issue 9, September 2016, 2373-2386

https://doi.org/10.12973/eurasia.2016.1264a

Research Article

The Effect of Presentation Types and Flow on E-Book Purchase Intention

Liao Hsiuli

EURASIA J Math Sci Tech Ed, Volume 12, Issue 3, March 2016, 669-686

https://doi.org/10.12973/eurasia.2016.1551a

Research Article

Young Children's Conceptual Understanding of Triangle

Ümmühan Yeşil Dağlı, Erdoğan Halat

EURASIA J Math Sci Tech Ed, Volume 12, Issue 2, February 2016, 189-202

https://doi.org/10.12973/eurasia.2016.1398a

Research Article

Verification of Social Network Site Use Behavior of the University Physical Education Students

Li-Wei Liu, Chia-Ming Chang, Hsiu-Chin Huang, Yu-Liang Chang

EURASIA J Math Sci Tech Ed, Volume 12, Issue 4, April 2016, 793-805

https://doi.org/10.12973/eurasia.2016.1232a

Research Article

Application of Graph Theory in an Intelligent Tutoring System for Solving Mathematical Word Problems

Vasif NABİYEV, Ünal ÇAKIROĞLU, Hasan KARAL, Ali Kürşat ERÜMİT, Ayça ÇEBİ

EURASIA J Math Sci Tech Ed, Volume 12, Issue 4, April 2016, 687-701

https://doi.org/10.12973/eurasia.2015.1401a

Research Article

Developing and Evaluating Gamifying Learning System by Using Flow-Based Model

Chungho Su, Kai-Chong Hsaio

EURASIA J Math Sci Tech Ed, Volume 11, Issue 6, 2015, 1283-1306

https://doi.org/10.12973/eurasia.2015.1386a

Research Article

Lexical and Indexical Conversational Components That Mediate Professional Noticing During Lesson Study

Ingrid S. Weiland Carter, Julie Amador

EURASIA J Math Sci Tech Ed, Volume 11, Issue 6, 2015, 1339-1361

https://doi.org/10.12973/eurasia.2015.1392a

Research Article

Outreach Science Education: Evidence-Based Studies in a Gene Technology Lab

Franz-Josef Scharfenberg, Franz X. Bogner

EURASIA J Math Sci Tech Ed, Volume 10, Issue 4, 2014, 329-341

https://doi.org/10.12973/eurasia.2014.1086a

Research Article

Towards a Theory of Identity and Agency in Coming to Learn Mathematics

Peter Grootenboer, Robyn Jorgensen (Zevenbergen)

EURASIA J Math Sci Tech Ed, Volume 5, Issue 3, 2009, 255-266

https://doi.org/10.12973/ejmste/75277