Zainol Abidin, Nurul Aini. “Activated Carbon-Limestone-Alginate Beads for the Simultaneous Removal of Color and Turbidity of Kerian River”. International Journal of Integrated Engineering 11, no. 2 (May 6, 2019). Accessed April 28, 2024. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/4118.