Musa, W. J. A. (2021) “Methanol extract from kesambi (Schleichera oleosa (L.) oken) stem bark as a natural antioxidant to increase crude palm oil (CPO) quality”, Jurnal Pendidikan Kimia, 13(3), pp. 193–201. doi: 10.24114/jpkim.v13i3.29018.