“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”, DJPKM, vol. 10, no. 2, pp. 464–473, Apr. 2026, doi: 10.31849/dinamisia.v10i2.29616.