Othman M, S., and N. Azwa M. “ACUTE TOXICITY AND BIOACCUMULATION OF ZINC AND LEAD IN THE FRESHWATER PRAWN MACROBRACHIUM LANCHESTERI”. Malaysian Journal of Science, vol. 23, no. 2, Aug. 2004, pp. 11-18, https://adum.um.edu.my/index.php/MJS/article/view/8382.