Mahzabin, Z., & Akhter, M. M. (2014). Piaget's pre operational stage and the role of social and cultural development of a child psychology in Bangladeshi context. BRAC University.
Chicago-referens (17:e uppl.)Mahzabin, Zafrin, och Ms. Mahmud Akhter. Piaget's Pre Operational Stage and the Role of Social and Cultural Development of a Child Psychology in Bangladeshi Context. BRAC University, 2014.
MLA-referens (8:e uppl.)Mahzabin, Zafrin, och Ms. Mahmud Akhter. Piaget's Pre Operational Stage and the Role of Social and Cultural Development of a Child Psychology in Bangladeshi Context. BRAC University, 2014.
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