Oil Palm Bulletin No. 50 (May 2005) p14-23
Oil palm growth and yield as affected by densities, progenies and N fertilizer on Bengawat soil: the preliminary results
AHMAD AFANDI Murdi , HAMDAN Abu Bakar , AHMAD TARMIZI Mohammed , AHMAD Kushairi, Dr , KHAIRUMAN Hashim

Oil Palm Bulletin No. 31 (November 1995) p16-21
Expected Malaysian palm oil production in 1996 and observations on age effects in some oil palm yield components
CHOW Chee Sing , JAMALUDDIN Nasir