Nasiruddin, M. et al. 2013. Histopathological changes in the gill, liver and intestine of Heteropneustes fossilis (Bloch) treated with three dry seed extracts. Journal of the Asiatic Society of Bangladesh, Science. 38, 2 (Jul. 2013), 217–226. DOI:https://doi.org/10.3329/jasbs.v38i2.15612.