“Differentiation Of Clarias Batrachus, C. Gariepinus And Heteropneustes Fossilis By Pcr-Sequencing Of Mitochondrial 16s Rrna Gene”, J. Asiat. Soc. Bangladesh, Sci., vol. 41, no. 1, pp. 51–58, Jun. 2015, doi: 10.3329/jasbs.v41i1.46190.