Añadir al portapapeles Hugh K. Coulter, Cocoa Stabilisation Scheme 1987, Cocoa Board of PNG, Report No.__, 16 Mar 1987

Añadir al portapapeles Brief for the Minister on the Cocoa Board and the Cocoa Industry in Papua New Guinea, Rabaul, Cocoa Board of PNG, Jul 1988

Añadir al portapapeles Brief for the Minister fotr Agriculture and Livestock, Honourable Roy Evara, on the present state of the cocoa industry, Rabaul, Cocoa Board of PNG, 28 Jul 1992

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

Añadir al portapapeles Cocoa Statistics of Papua New Guinea, Rabaul, Cocoa Board of PNG, Mar 1993

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.

Añadir al portapapeles 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.

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

Añadir al portapapeles E.D. & F Man Cocoa Ltd, Research Department, Cocoa Market Report No.339, 31 Jan 1991, London, Gill & Duffus, bound.

Añadir al portapapeles E.D. & F Man Cocoa Ltd, Research Department, Cocoa Market Report No.349, 26 May 1994, London