savitri, nava. “ANALYSIS ANALYSIS OF ASH CONTENT AND ACID NUMBER TEST IN WASTE COOKING OIL AFTER REFINING USING SUGAR CANE BAGASSE: ANALISIS UJI KADAR ABU DAN BILANGAN ASAM PADA MINYAK JELANTAH SETELAH PEMURNIAN MENGGUNAKAN AMPAS TEBU”. Jurnal Kesehatan Ilmiah Indonesia (Indonesian Health Scientific Journal) 9, no. 2 (December 23, 2024). Accessed February 19, 2025. https://jurnal.unar.ac.id/index.php/health/article/view/1814.