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

Oil Palm Bulletin No. 22 (May 1991) p9 - 19
Relative Quantification of Palm Oil Partial Glycerides by Chromarod Thin-Layer-Chromatography with Flame-Ionization Detection
Y A Tan

Oil Palm Bulletin No. 21 (November 1990) p35 - 39
Design and evaluation of a Crane Fitted to a Mini-Tractor for Mechanical Loading of Palm Fresh Fruit Bunches
Abd Rahim Shuib, Abdul Halim Hassan and Ma Ah Ngan