Oil Palm Bulletin No. 27 (November 1993) p25 - 37
Potential source of sterols from a palm kernel oil methyl ester residue of an oleochemical plant
OOI Tian Lye, LEONG Wan Leong , RADZUAN Jamaludin

Oil Palm Bulletin No. 22 (May 1991) p20 - 26
Treatment of High Strength Wastewater from Palm Oil Based Oleocemical Industries – Preminilary Observation
Ma Ah Ngan