1. 19 មិនា 1988 Mountain agriculture Land degradation in Papua New Guinea Sloping agricultural land technology Land use systems in marginal highlands Community forestry Cassava planting Pest management
  2. In the 1980s, a commercially viable amount of oil was discovered near Lake Kutubu in the Southern Highlands of Papua New Guinea. Following the completion of a pipeline from the oil field to a marine terminal in the Gulf of Papua south of Kikori in 1992, the Kutubu Petroleum Development Project...
  3. 01 មករា 2003 No page numbers, illustrated
  4. This compendium is a list of names, synonyms, altitudinal limits, propagation methods, pests, diseases, edible parts, food values of food plants of Papua New Guinea.