Nasaruddin, Nurul Syakila, and Radin Maya Saphira Radin Mohamed. 2021. “An Overview of Activated Carbon Coconut Shell and Banana Trunk Fiber As Bio-Filter for Kitchen Wastewater Treatment”. Journal of Advancement in Environmental Solution and Resource Recovery 1 (1): 29-35. https://publisher.uthm.edu.my/ojs/index.php/jaesrr/article/view/10050.