1.
Murni SW, Nurrahmaningsih L, Fitrianti P, Sando A, James JR. Biodiesel Production from Waste Cooking Oil Assisted by Ultrasonic Wave. Eksergi [Internet]. 2018 Jul. 4 [cited 2025 Jul. 18];15(1):20-3. Available from: https://jurnal.upnyk.ac.id/index.php/eksergi/article/view/2291