Ibrahim, Azreen, Junidah Lamaming, Lorita Nakolas, Vielyn Jinus, and Abu Zahrim Yaser. “Decolourisation of Sewage Using Commercial Tannin-Based Coagulant”. Emerging Advances in Integrated Technology 2, no. 2 (November 15, 2021): 1–8. Accessed May 4, 2024. https://publisher.uthm.edu.my/ojs/index.php/emait/article/view/9395.