Sommani P, Mankong N, Vitidsant T, Lothongkum AW. CRACKING OF USED VEGETABLE OIL MIXED WITH POLYPROPYLENE WASTE IN THE PRESENCE OF ACTIVATED CARBON. AEJ [Internet]. 2013Jul.24 [cited 2023Oct.5];4(1):16-24. Available from: https://journals.utm.my/aej/article/view/15423