W.L, C., M.S, R. and S.M, P. (2007) “Assessment of three Tropical Chlorophytes as Bioassay Organisms for Nitrogen and Phosphorus Enrichment in Freshwater Ecosystems”, Malaysian Journal of Science, 26(2), pp. 27–39. Available at: http://ojie.um.edu.my/index.php/MJS/article/view/8051 (Accessed: 16 November 2024).