Abdullan bin Sepien Technical and allocative efficiency on independent and FELDA rubber smallholdings : a summary (Book) - Kuala Lumpur Rubber Research Institute of Malaysia 1979 - 24 p. 29 cm. Subjects--Topical Terms: Rubber industry and trade--Malaysia Universal Decimal Class. No.: 631.116.6:633.912.11:631.1 ABD / 10635