Negsagis, Reco Rambang Putra, Hari Firmansah, and Ultra Marsedi. “Silica Filter Membrane by Utilizing Palm Oil Empty Bunches Waste”. Jurnal Indonesia Sosial Sains 5, no. 04 (April 29, 2024): 773–781. Accessed December 26, 2025. https://www.jiss.publikasiindonesia.id.solusipublish.com/index.php/jiss/article/view/1081.