Rajan, M. et al. 2012. Biochemical Changes in Haemolymph of Fresh Water Crab, Paratelphusa jacquemontii (Rathbun) Exposed to Copper. International Journal of Basic and Applied Sciences. 1, 4 (Aug. 2012), 421–428. DOI:https://doi.org/10.14419/ijbas.v1i4.223.