1. Annual Reports of the Research Branch of the Sarawak Department of Agriculture. Government Printer, Kuching, Sarawak. (Until 1983 in the chapter Chemistry;from 1983 onwards under a separate heading: Sagopalm.)
2. Avé JB (1977) Sago in insular southeast Asia: historical aspects and contemporary use. In [30]: 21–30
3. Bahari J and Jalil MM (1986) some notes on the current status of the sago industry in peninsular Malaysia. In [7]: 72–75
4. Cecil JE (1986) Increasing profits from sago processing. In [7]: 112–120
5. Cecil JE, Lau G, Heng SH and Ku CK (1982) The sago starch industry; a technical profile based on a preliminary study made in Sarawak: pp 31. Trop. Developm. & Res. Inst. L58, Culham