W.L, Chu, Ramadhona M.S, and Phang S.M. “Assessment of Three Tropical Chlorophytes As Bioassay Organisms for Nitrogen and Phosphorus Enrichment in Freshwater Ecosystems”. Malaysian Journal of Science 26, no. 2 (August 30, 2007): 15–25. Accessed December 23, 2024. https://ajba.um.edu.my/index.php/MJS/article/view/8050.