Jamilatun, Siti, Ikko Nirwana Luthfiani, Dita Permata Putri, Joko Pitoyo, and Aster Rahayu. 2022. “The Effect of Variations of Stearin Mass and Used Cooking Oil From Purification With Activated Carbon on the Quality of The Candle”. Agroindustrial Technology Journal 6 (1):35-57. https://doi.org/10.21111/atj.v6i1.7234.