Proceedings of the 1987 International Oil Palm/Palm Oil Conferences Progress and Prospects Conference 1: Agriculture, Institut Penyelidikan Minyak Kelapa Sawit Malaysia, Bangi, Selangor (Malaysia): Kuala Lumpur, 23-26 Jun 1988, p. 155-161
Yield potential in the oil palm : [proceedings], International Society for Palm Oil Breeders (ISOPB); Palm Oil Research Inst. of Malaysia (Malaysia): Phuket, Thailand, 29-30 Oct 1990, p. 36-43