A. . SULTANA, M. N. . ISLAM, M. F. . TAZIM, M. B. A. . SHUFOL, M. N. . UDDIN, and F. T. . NATASHA, “Bacteriological study of bottom soil of three extensive fish farm ponds”, Bangladesh J. Fish., vol. 33, no. 1, pp. 75–80, Jun. 2021.