Rohim, Ahmad Minanur, Putut Marwoto, Sigit Priatmoko, and Almira Syifa. “Analysis FTIR Test, Viscosity, Density, Acid Number, and Organoleptic in Bulk Cooking Oil With Packaged Cooking Oil ”. Jurnal Penelitian Pendidikan IPA 9, no. 5 (May 31, 2023): 2613–2618. Accessed May 20, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/2533.