Ahmad Syahrial Pohan, Masthura, and Ridwan Yusuf Lubis. “Utilization of Nipah Fruit Shell Activated Carbon (Nypa Fruticans) With Hcl Activator As a Media for Digging Well Water Filtration”. Asian Journal of Natural Sciences 3, no. 1 (February 29, 2024): 23–36. Accessed April 15, 2026. https://journal.formosapublisher.org/index.php/ajns/article/view/10209.