Arthur Stevenson, ‘Cocoa Outlook’, Futures Focus, Vol.2, No.3, 13 Mar 1989.
Brief for the Minister for Agriculature and Livestock Honourable Galen Lang on the present state of the cocoa industry, Rabaul, Cocoa Board of PNG, 21 Mar 1990
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
Brief for the Minister on the Cocoa Board and the Cocoa Industry in Papua New Guinea, Rabaul, Cocoa Board of PNG, Jul 1988
Brief for the Prime Minister on cocoa & coconut research, prepared for the Prime Minister, The Honourable Paias Wingti, on the occasion of his visit to Tavilo Research Centre on 24th May 1985, Cocoa Board of Papua New Guinea, Report No.22, 19 May 1986
C. Prior, J. O’Donohue, R. Rotscheid & E. Sitapai, Black Pod Canker and Seedling Blight Diseases in Cocoa: an illustrated guide for growers [in English, Tok Pisin and Motu], 1981
CQIP Report, Rabaul, Australia and Papua New Guinea Cocoa Quality Imptrovement Project (CQIP), 12 Nov 1993
Cocoa & Coconut Research Institute, Agenda 23rd Directors’ Meeting 1 December 1988
Cocoa (theobroma cacao l.) Germplasm Collection at LAES, Keravat, Papua New Guinea, 29 Jan 1992
