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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMahzabin, Zafrin, और 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMahzabin, Zafrin, और 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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