Rao, K Siva Prasada, et al. “METHYL PARATHION IMPACT ON THE ESTERASES OF A FRESHWATER TELEOST TILAPIA MOSSAMBICA (PETERS)”. Indian Journal of Fisheries, vol. 30, no. 1, Oct. 2011, pp. 148-54, https://epubs.icar.org.in/index.php/IJF/article/view/11843.