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autores

• ড. ইমানুয়েল
• Md Fuzlur Rahman
• Isahaq&Talukder
• Adoito Mollobormon
• ওমর ফারুক
• Wran and Marling
• Gias uddin Ahmed
• Dr Pores Chondro
• আহাম্মদ শরিফ
• National Currikulam&Text Book Board