Pujiastuti, C., Ketut Sumada, Meriana Armidianti, & Adinda Rimarsya Bahita Ahmad. (2022). Bleaching Earth Recovery from Waste to Purify Cooking Oil by Extraction–Activation Method. Journal of Research and Technology, 8(2), 169–177. https://doi.org/10.55732/jrt.v8i2.401