Mukminin A, Ariyani D, Megawati E, Yuniarti Y. EFFECT OF 6, 8 AND 10 TIMES USING COOKING OIL ON THE RESULTS OF TRANSESTERIFICATION REACTIONS USING HOMOGEN BASED CATALYST NaOH. jips [Internet]. 9Aug.2023 [cited 26Sep.2025];4(2):129-34. Available from: https://ejournal.unwmataram.id/JIPS/article/view/1709