Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report January – March 1996, Rabaul, Cocoa Board of PNG, bound with Special feature, P. Jollands, Root disease in cocoa, Kerevat, PNG Cocoa & Coconut Research Institute, CCRI Information Bulletin No.8, n.d.
Cocoa Board of Papua New Guinea
Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report October – December 1996, Madang, Cocoa Board of PNG, bound with Special Feature, C. Prior, Bark canker of cocoa, Kerevat, PNG Cocoa & Coconut Research Institute, CCRI Information Bulletin No.11, n.d.
Cocoa Board of Papua New Guinea
Scott Yarbo & Eric Omuru (Economics Division), Papua New Guinea Cocoa Market Report October – December 1992, Rabaul, Cocoa Board of PNG, bound with Special Feature, J.J. Dennis, G-Y Tan & C. Prior, Vascular-streak dieback disease of cocoa, Rabaul, PNG Cocoa & Coconut Research Institute and Cocoa Quality Improvement Project, CCRI Information Bulletin No.1, Nov 1991.
Cocoa Board of Papua New Guinea
Kagla C. Gimbol (Economics División), Papua New Quinea Quarterly Cocoa Market Report, October – December 1993, Rabaul, Cocoa Board of PNG, bound with Special Feature, C. Prior & E.S.C. Smith, Canker control around insect damaged bark, PNG Cocoa & Coconut Research Institute, CCRI Information Bulletin No.5, Sep 1991.
Cocoa Board of Papua New Guinea
Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report October – December 1995, Rabaul, Cocoa Board of PNG, bound with Special Feature, J.B. O’Donohue, In-filling cocoa stands, Kerevat, PNG Cocoa & Coconut Research Institute, CCRI Information Bulletin No.7, Jul 1981.
Cocoa Board of Papua New Guinea