Khan, M., M. Hasan, M. Siddik, M. Hossain, and M. Sarder. “Investigation into Carnivorous Feeding Nature of Piranha (<i>Pygocentrus nattereri</I>) under Laboratory Condition in Bangladesh”. Progressive Agriculture, vol. 21, no. 1-2, Nov. 2013, pp. 151-8, doi:10.3329/pa.v21i1-2.16764.