Kanua, M. W. B. (1991). Nutrient supply in volcanic ash soils for foodcrop production in the Highlands of Papua New Guinea. University of Reading, Dept. of Agriculture and Food.
Chicago Style (17th ed.) CitationKanua, Matthew Wela Bamuna. Nutrient Supply in Volcanic Ash Soils for Foodcrop Production in the Highlands of Papua New Guinea. England: University of Reading, Dept. of Agriculture and Food, 1991.
MLA (9th ed.) CitationKanua, Matthew Wela Bamuna. Nutrient Supply in Volcanic Ash Soils for Foodcrop Production in the Highlands of Papua New Guinea. University of Reading, Dept. of Agriculture and Food, 1991.
Warning: These citations may not always be 100% accurate.