Husin, Nor Azilah, Ahmad Fuad Noor, Mazni Saad, and Eka Mariyanti. “Assessing the Effectiveness of the Non-Structural Measures for River Cleaning ”. Environment-Behaviour Proceedings Journal 6, no. 16 (March 28, 2021): 229-235. Accessed August 14, 2022. https://ebpj.e-iph.co.uk/index.php/EBProceedings/article/view/2688.