(1986). Land use and vegetation map: Land resources evaluation project ; province of Negros Oriental. Bureau of Soils.
Chicago-viite (17. p.)Land Use and Vegetation Map: Land Resources Evaluation Project ; Province of Negros Oriental. Manila: Bureau of Soils, 1986.
MLA-viite (9. p.)Land Use and Vegetation Map: Land Resources Evaluation Project ; Province of Negros Oriental. Bureau of Soils, 1986.
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