Lensoni, Lensoni, T. Karma, and Irlan Wilianda. “The Effect of Bamboo Charcoal on PH and Hardware in Dailed Well Water”. Jurnal Penelitian Pendidikan IPA 9, no. 3 (March 31, 2023): 1129–1134. Accessed May 20, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/3350.