Behr, M. J., Lesh, R., Post, T. R., & Silver, E. A. (1983). Rational number concepts. In R. Lesh& M. Landau (Eds.), Acquisition of mathematical concepts and processes (pp. 91-126). New York: Academic Press
Berthold K., & Renkl A. B. (2009) Instructional Aids to Support a Conceptual Understanding of Multiple Representations. Journal of educational psychology. 101 (1). 70-87
Berthold, K., Eysink, T. H.S., & Renkl, A. (2009) Assisting self-explanation prompts are more effective than open prompts when learning with multiple representations. Instructional Science, 37 (4). pp. 345-363
Berthold, K., Eysink, T. H.S., & Renkl, A. (2009) Assisting self-explanation prompts are more effective than open prompts when learning with multiple representations. Instructional Science, 37 (4). 345-363.
Carpenter, T. P., & Lehrer, R. (1999). Teaching and learning mathematics with understanding. In E. Fennema & T. R. Romberg (Eds.), Mathematics classrooms that promote understanding (pp. 19-32). Mahwah, NJ: Lawrence Erlbaum Associates.
Curcio, F.R. (1987). Comprehension of mathematical relationships expressed in graphs. Journal for Research in Mathematics Education, 18, 382-393.
Dunlap, J. C., Furtak, T. E., & Tucker, S. A. (2009) Designing for Enhanced Conceptual Understanding in an Online Physics Course. TechTrends. 53(1).67-73
Frankel, J. R. & Wallen N.E. (2003). How to design and evaluate research in education. New York: McGraw Hill.
Gonzalez, M. M., Ambrose, R., & Martinez, E. C. (2004). In the transition from arithmetic to algebra: misconceptions of the equal sign, Proceedings of the 28th International Group for the Psychology of Mathematics Education, England, 1-329.
Lesh, R., Post, T., & Behr, M. (1987). Representations and Translations among Representations in Mathematics Learning and Problem Solving. In C. Janvier, (Ed.), Problems of Representations in the Teaching and Learning of Mathematics (pp. 33-40). Hillsdale, NJ: Lawrence Erlbaum.
McDuffie,R. A., & Eve, N. (2009). Developing students’ understanding of area: The work of a professional learning team. Teaching Children Mathematics, 16 (1), 18-27.
MNE, (2008) Ministry of National Education. Ilköğretim Okulları Ders Programları: Matematik Programı 6-8. Ankara: Milli Eğitim Basımevi.