Roy, S. K., Paul, N. K., & Pasha, M. K. (1993). Opushpoka udbhidbigyan. Bangla Academy.
Tohutoru Kātū Chicago (17th ed.)Roy, Shyamal Kumar, Nishith Kumar Paul, me Mustafa Kamal Pasha. Opushpoka Udbhidbigyan. Dhaka: Bangla Academy, 1993.
Tohutoro MLA (9th ed.)Roy, Shyamal Kumar, et al. Opushpoka Udbhidbigyan. Bangla Academy, 1993.
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