Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report January – December 1994, Madang, Cocoa Board of PNG
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Scott Yarbo & Eric Omuru (Economics Division), Papua New Guinea Cocoa Market Report April – June 1993, Rabaul, Cocoa Board of PNG, bound with Special Feature, Alistair McGregor, Seedling blight in cocoa, PNG Cocoa & Coconut Research Institute, CCRI Information Bulletin No.3, Sep 1991.
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 Statistics of Papua New Guinea, Rabaul, Cocoa Board of PNG, Apr 1996
Cocoa Statistics of Papua New Guinea, Rabaul, Cocoa Board of PNG, Feb 1995
Cocoa Statistics of Papua New Guinea, Rabaul, Cocoa Board of PNG, Feb 1994
Cocoa Statistics of Papua New Guinea, Rabaul, Cocoa Board of PNG, Mar 1993
Cocoa Statistics of Papua New Guinea, Rabaul, Cocoa Board of PNG, May 1991
Statistics on cocoa production, exports, prices and distribution of planting materials, Cocoa Board of PNG, 9 Mar 1990
