Proceedings of the 12th Oil Palm Seminar, 21-23 Nov., 1988, Malacca / edited by Azizan bin Abdullah, K. John Ruluvilla, Wong Kim Lian. - Kuala Lumpur : Guthrie Plantation Agricultural Services Sdn. Bhd., 1988. - 1v. (various pagings) ; 32 cm. Subjects--Topical Terms: Oil palm--Malaysia--Congresses.