C.K., Yap, and Edward F.B. “Heavy Metal Distribution in the Different Parts of Cerithidea Obtusa by Using Multivariate Analysis”. Malaysian Journal of Science 28, no. 1 (April 23, 2009): 33–38. Accessed December 23, 2024. https://ajba.um.edu.my/index.php/MJS/article/view/7688.