R. A. Begum, D. T. Rahman, M. A. Rashid, M. S. Alam, and R. M. Shahjahan, “Comparison of Esterase Isozyme Variability in Some Selected Tissues of the Asian and African Catfishes (Siluriformes: Clariidae)”, Bangladesh J. Zool., vol. 40, no. 1, pp. 43–50, Dec. 2012.