Begum, R. A., Rahman, D. T., Rashid, M. A., Alam, M. S. and Shahjahan, R. M. (2012) “Comparison of Esterase Isozyme Variability in Some Selected Tissues of the Asian and African Catfishes (Siluriformes: Clariidae)”, Bangladesh Journal of Zoology, 40(1), pp. 43–50. doi: 10.3329/bjz.v40i1.12893.