Z. Din, N. Abd Wahab, and S. N. Md Som, “Using Duckweed to Improve the Water Quality”, Politeknik & Kolej Komuniti Journal of Engineering and Technology, vol. 6, no. 1, pp. 60–70, Nov. 2021, Accessed: Nov. 22, 2024. [Online]. Available: https://app.mypolycc.edu.my/journal/index.php/PMJET/article/view/261