B.Y, K., K, Z., M.C, O., & K.Y.S, W. (2007). Copper and Zinc in Three Dominant Brackish Water Fish Species from Paka Estuary, Terengganu, Malaysia. Malaysian Journal of Science, 26(2), 65–70. Retrieved from http://mojes.um.edu.my/index.php/MJS/article/view/8061