PanjaitanHamonangan Panjaitan JR, Yosia Situmorang D, Sykhles Tarigan E. Production and Economic Evaluation of Biobased Detergent from Waste Cooking Oil. Applied Science and Engineering Progress [internet]. 2026 Apr. 2 [cited 2026 Sep. 24];19(4):8098. available from: https://ph02.tci-thaijo.org/index.php/ijast/article/view/261870