Aktar, M. R. A.; Khanom, D. A. K.; Hossain, M. D. H. Effect of Stocking Density on Growth, Survival and Production Performances of Clarias Batrachus Fry in Nursery Hapa Under Semi-Intensive Culture System of Rajshahi University Campus, Bangladesh. J bio-sci. 2023, 31, 17-27.