PNG Cocoa & Coconut Research Institute, Fifth Annual Research report of the PNG Cocoa & Coconut Research Institute 1990/1991 [1 May 1990-30 Apr 1991], Tavilo Research Centre, CCRI, Nov 1991 Adicionar à área de transferência AU PMB DOC 538-58 Item Nov 1991 Parte de Papua New Guinea Cocoa Board Publications Cocoa Board of Papua New Guinea
Cocoa Inspectors & Assessors Manual, prepared for the Cocoa Inspectors’ Course, October 1991, by the Cocoa Board of PNG and the Cocoa Quality Improvement Project, 1991 Adicionar à área de transferência AU PMB DOC 538-69 Item Oct 1991 Parte de Papua New Guinea Cocoa Board Publications Cocoa Board of Papua New Guinea
Trevor Clarke, Joseph Grows Cocoa, revised by Colin Benton & Jane Belfield (CQIP, Rabaul), drawings by Blasius Offele, Mar 1993 Adicionar à área de transferência AU PMB DOC 538-70 Item Mar 1993 Parte de Papua New Guinea Cocoa Board Publications Cocoa Board of Papua New Guinea