Optimization of Used Cooking Oil Utilization through Aromatherapy Candle-Making Training: A Case Study in Lestari Jaya Hamlet, East Kutai, East Kalimantan: Optimalisasi Pemanfaatan Minyak Jelantah melalui Pelatihan Pembuatan Lilin Aromaterapi: Studi Kasus di Dusun Lestari Jaya, Kutai Timur, Kalimantan Timur. ANDIL Mulawarman J Comm Engag [Internet]. 2026 Jan. 2 [cited 2026 Jan. 26];3(1):37-45. Available from: https://e-journals2.unmul.ac.id/index.php/ANDIL/article/view/3755