Government of PNG, White Paper on Agriculture: National Policies for the Development of the Agricultural Sub-Sector, Waigani, Sep 1989 Añadir al portapapeles AU PMB DOC 538-86 Unidad documental simple Sep 1989 Parte dePapua New Guinea Cocoa Board Publications Government of Papua New Guinea
Field Pocket Book on Hybrid Cocoa: a pocket guide for cocoa growers and field workers, Pocket Book No.2, Konedobu, Dept of Agricutture and Livestock, revised edition, May 1992 Añadir al portapapeles AU PMB DOC 538-88 Unidad documental simple May 1992 Parte dePapua New Guinea Cocoa Board Publications Government of Papua New Guinea