ARONGGEAR, P. R.; SANTI, D.; LANGSA, M. H.; LISNA EFIYANTI, L. E. TRANSESTERIFICATION OF USED COOKING OIL USING A CATALYST FROM SAWN WOOD SAWN OF MATOA (Pometia pinnata): VARIATIONS OF MOLE RATIO OF METHANOL AGAINST OIL. Jurnal Natural, v. 20, n. 1, p. 1 - 7, 28 Jun. 2024.