Cruz, R. (1997). Watershed management and food security in the Philippines: Policy issues and concerns. Center for Policy and Development Studies, University of the Philippines at Los Baños.
Citace podle Chicago (17th ed.)Cruz, R.V.O. Watershed Management and Food Security in the Philippines: Policy Issues and Concerns. College, Laguna: Center for Policy and Development Studies, University of the Philippines at Los Baños, 1997.
Citace podle MLA (9th ed.)Cruz, R.V.O. Watershed Management and Food Security in the Philippines: Policy Issues and Concerns. Center for Policy and Development Studies, University of the Philippines at Los Baños, 1997.
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