Awal, M. A. (2010). Ecological Pollution in Sundarbans. AHDPH.
Tohutoru Kātū Chicago (17th ed.)Awal, M. A. Ecological Pollution in Sundarbans. Dhaka: AHDPH, 2010.
Tohutoro MLA (9th ed.)Awal, M. A. Ecological Pollution in Sundarbans. AHDPH, 2010.
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