M Ridlwan H, Adifani A, Mufida V. Application of an Automated System for Converting Waste Cooking Oil into Aromatherapy Candles. RiESTech [Internet]. 2023 Jul. 1 [cited 2026 May 7];1(03):13-25. Available from: https://www.mbi-journals.com/index.php/riestech/article/view/20