Palm Oil Engineering Bulletin No.95 (Apr - June 2010) p17-28
CoP auditing made easy: documents and standard operating procedure guidelines for CoP auditing of palm oil mills
MENON, N. Ravi

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