Tom Leven, (Agronomist, PNG Cocoa and Coconut Research Institute), Progress Report September, 1986: Agronomy Section, Cocoa Board of PNG, c.Sep 1986.
Tiri Kuimbakul, A cost-benefit study on the use of mobile coffee hullers in remote areas of Papua New Guinea and their regulatory implications, Coffee Discussion Paper No.11, Goroka, Coffee Industry Corporation Ltd, Industry Affairs Division, Jul 1993, 10pp.
Monthly Notes, Vol. 1, No. 8
G. Yong Tan (Principal Plant Breeder, PNG Cocoa and Coconut Research Institute), Annual Report Plant Breeeding Section, September 1986, Cocoa Board of PNG, Sep 1986, 27pp., bound, with Plant Breeding Working Program for 1986-87
Tiri Kuimbakul, How the international coffee market works, Coffee Discussion Paper No.12, Goroka, Coffee Industry Corporation Ltd, Industry Affairs Division, Aug 1993, 26pp.
The Times of Papua New Guinea, Issues 17 - 18
Reel 1, British New Guinea Report for 1894-1895
Monthly Notes, Vol. 1, No. 9
Report On – General description of; native agriculture in; and rubber production at Kokoda – Sub-district of the Northern District of Papua
