Vijayavel, K, et al. “Effect of Urea and Ammonium Chloride OnAspartate and Alanine Transaminases OfOreochromis Mossambicus (Peters)”. Indian Journal of Fisheries, vol. 53, no. 1, June 2011, pp. 19-23, https://epubs.icar.org.in/index.php/IJF/article/view/6891.