Palm Oil Engineering Bulletin No.93 (Oct - Dec 2009) p23-27
Effluent treatment system in palm oil mills: part II – biogas from anaerobic digestion
LAI Mei Ee

Palm Oil Engineering Bulletin No.92 (July - Sept 2009) p11-16
Effluent treatment systems in palm oil mills: part 1 – anaerobic digestion
MENON, N. Ravi , LAI Mei Ee