Siew-Theng, F., Loy Chu, W.-. and Siew-Moi, P. (2001) “Tolerance of four Malaysian chlorophytes to nitrate and ammonium pollution”, Malaysian Journal of Science, 20(1), pp. 15–20. Available at: https://samudera.um.edu.my/index.php/MJS/article/view/8770 (Accessed: 20 November 2024).