Fadhillah, Muhammad, and Denay Wahyuni. “Effectiveness Of Addition Of Activated Carbon Shell Oil Palm (Elaeis Guineensis) Filtration Process Water In Wells”. Jurnal kesehatan komunitas (Journal of community health) 3, no. 2 (May 1, 2016): 93–98. Accessed December 21, 2024. https://jurnal.htp.ac.id/index.php/keskom/article/view/110.