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Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report January – March 1997, Madang, Cocoa Board of PNG
Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report April – June 1996, Madang, Cocoa Board of PNG, bound with Special feature, A. MacGregor, Thread blight disease of cocoa, Kerevat, PNG Cocoa & Coconut Research Institute, CCRI Information Bulletin No.9, n.d.
Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report July – September 1996, Madang, Cocoa Board of PNG, bound with Special Feature, J.J.C. Dennis, Additional staregy for phytophthora pod rot control for small holders, Kerevat, PNG Cocoa & Coconut Research Institute, CCRI Information Bulletin No.10, n.d.
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.
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.
Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report January – March 1995, Rabaul, Cocoa Board of PNG
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