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Government of Papua New Guinea Papua New Guinea
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Government of PNG, White Paper on Agriculture: National Policies for the Development of the Agric...
Government of PNG, White Paper on Agriculture: National Policies for the Development of the Agricultural Sub-Sector, Waigani, Sep 1989
Field Pocket Book on Hybid Cocoa: a pocket guide for cocoa growers and field workers, Pocket Book...
Field Pocket Book on Hybid Cocoa: a pocket guide for cocoa growers and field workers, Pocket Book No.2, Konedobu, Dept of Agricutture and Livestock, revised edition, May 1992