Añadir al portapapeles 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.

Añadir al portapapeles 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.

Añadir al portapapeles Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report January – March 1997, Madang, Cocoa Board of PNG

Añadir al portapapeles 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.

Añadir al portapapeles 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.

Añadir al portapapeles PNG Cocoa & Coconut Research Institute [background to the Institute, its policy & structure, ownership, finance, research facilties & programmes, objectives, staff & training], n.d.

Añadir al portapapeles 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.

Añadir al portapapeles Kagla C. Gimbol & Eric Omuru (Economics Division), Papua New Quinea Quarterly Cocoa Market Report, July– September 1993, Rabaul, Cocoa Board of PNG, bound with Special Feature, Pink disease of cocoa, PNG Cocoa & Coconut Research Institute, CCRI Information Bulletin No.4, Nov 1991.

Añadir al portapapeles G. Yong Tan, ‘SG 2’ Cocoa Hybrid, n.d.

Añadir al portapapeles Rufina Peter (Economics Division), Papua New Guinea Cocoa Market Report July – September 1995, Madang, Cocoa Board of PNG, bound with Special Feature, G. Ling, Warning! Do not use seed from hybrid cocoa tres for planting, Rabaul, PNG Cocoa & Coconut Research Institute, CCRI Information Bulletin No.6, Feb 1986.