Abregana, B. C. (1983). Comprehensive small-scale upland agroforestry: An alternative to shifting cultivation in the Balinsasayao rainforest region, Negros Oriental, Philippines.
Citace podle Chicago (17th ed.)Abregana, Betty C. Comprehensive Small-scale Upland Agroforestry: An Alternative to Shifting Cultivation in the Balinsasayao Rainforest Region, Negros Oriental, Philippines. 1983.
Citace podle MLA (9th ed.)Abregana, Betty C. Comprehensive Small-scale Upland Agroforestry: An Alternative to Shifting Cultivation in the Balinsasayao Rainforest Region, Negros Oriental, Philippines. 1983.
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