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Cocoa Statistics of Papua New Guinea, Rabaul, Cocoa Board of PNG, Feb 1995
Cocoa Statistics of Papua New Guinea, Rabaul, Cocoa Board of PNG, Apr 1996
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.
Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report January – March 1995, Rabaul, Cocoa Board of PNG
Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report April – June 1995, Madang, Cocoa Board of PNG
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.
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