“Determination of Major Cation and Anion Content in Coconut Fiber Ash Potentially Renewable Catalyst: Penentuan Kandungan Kation Dan Anion Mayor Dalam Abu Serabut Kelapa Berpotensi Katalis Renewable”. JISTECH: Journal of Information Science and Technology 6, no. 2 (January 22, 2023). Accessed June 21, 2026. https://jistechunipa.com/index.php/istech/article/view/141.