18.American Psychiatric Association (APA). (2013) Diagnostic and Statistical manual of mental disorder (5thed). Arling, VA: American Psychiatric Publishing.
19.Ashraf, M., Estaki, M., & Ashayeri, H. (2011). Comparing the impact of number sense on mathematic achievement in both dyscalculia and normal students. Procedia Social and Behavioral Sciences.28, 5-9.
20.Bryant, D. P., Roberts, G., Bryant, B. R., & DiAndreth-Elkins, L. (2011). Tier 2 early numeracy number sense intervention for kindergarten and first-grade students with mathematics difficulties. In R. Gersten & R. Newman-Gonchar (Eds.), Understanding RTI in mathematics. Proven methods and applications 65-86. Baltimore, ML: Brookes.
21.Butterworth, B. (2003). Dyscalculia screener: High lighting children with specific learning difficulties in mathematics. London: NFER- Nelson.
22.Butterworth, B., Varma, S., & Laurillard, D. (2011). Dyscalculia: From brain to education. Sciences, 8, 505-511.
23.Dalvand, M., & Elahi, T. (2012). Working memory performance in children with mathematical disability. Jornal of Behavioral Sciences, 6(3), 5-6.
24.Devin, A., Soltesz, F., Nobes, A., Goswami, U., & Szucs, D. (2013). Gender differences in development dyscalculia depend on diagnostic criteria. Learning and Instruction, 27, 31-39.
25.Fairleig, D., Noame, w. (2010). Diagnostic utility of executive function assessment for adult with learning disorders in reading and mathematic. University AAT 3uv.202P. 138.
26.Hallahan, D. P., Kaffman, J. M., & Pullrn, P.c. (2009). Exceptional learners: Introduction to special education. (11 ed). Boston: Allyn & Bacon.
27.Kazemi, R., Momeni, S., & Abolghasemi. (2014). The effectiveness of life skill training on self-esteem and communication skills of students with dyscalculia. Procedia Social and Behavioral Sciences, 114, 863-866.
28.Latzman, R., Elkovitch, N., Young, J., & Clark, L. (2010). The contribution of executive functioning to academic achievement among male adolescents. Jornal of clinical and Experimental Neuropsychology, 32, 455-462.
29.Rajaei, H., Allahvirdiyani, K., Khalili, A., & Sadeghi, A. (2011). Effect of teaching attention to the mathematic performance of the student with dyscalculia in the third and fourth grade of elementary school. Procedia Social and Behavioral Science, 15, 3024-3026.
30.Williams, J. (2005). Mathematic assessment for learning and teaching. London, UK: Hodder Education.
31.Wittlin, N. (2010) Diagnostic utility of executive function assessment for adults with learning disorder in reading and mathematics. New Jersey, NJ: Fairleigh. Dickinson University.
32.Zarofi, M. (2010). The students mathematic lesson learning quality. Procedia Social and Behavioral Sciences, 8, 505-511.
33.Zerafa, E. (2015). Helping children with dyscalculia: A teaching programe with three primary school children. Procedia Social and Behavioral Sciences, 191, 1178-1182.