Kamal Batcha, Fatimah, Shaliza Ibrahim, and P. Agamuthu. “Metallic Constituents in Water Samples from the Michu and Langat Rivers”. Malaysian Journal of Science 23 (December 30, 2004): 105–112. Accessed December 25, 2024. https://jupidi.um.edu.my/index.php/MJS/article/view/9040.