Planco Consulting Gesellschaft MBH (on behalf of Centre for Industrial Development, Brussels, Bougainville Development Corporation, & Coutinho Caro & Co, Hamburg), Feasibility study for a cocoa processing plant in Bougainville, Papua New Guinea, Final Report, Hamburg, Planco, 1986, Cocoa Board of PNG
Cocoa Board of Papua New Guinea
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.
Cocoa Board of Papua New Guinea
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
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