“Initiation of a Waste Cooking Oil Bank and Community Training on Waste Cooking Oil Use With Turmeric Biosorbent In Ketintang: Pembuatan Bank Jelantah Dan Pelatihan Pemurnian Minyak Jelantah Dengan Biosorben Kunyit Di Ketintang RW 04 Surabaya”. Dinamisia : Jurnal Pengabdian Kepada Masyarakat 10, no. 2 (April 30, 2026): 464–473. Accessed July 7, 2026. https://journal.unilak.ac.id/index.php/dinamisia/article/view/29616.