Pingali, P. L. (1989). Institutional and environmental constraints to agricultural intensification. Agricultural Economics Department, International Rice Research Institute.
Citace podle Chicago (17th ed.)Pingali, Prabhu L. Institutional and Environmental Constraints to Agricultural Intensification. Los Baños, Laguna: Agricultural Economics Department, International Rice Research Institute, 1989.
Citace podle MLA (9th ed.)Pingali, Prabhu L. Institutional and Environmental Constraints to Agricultural Intensification. Agricultural Economics Department, International Rice Research Institute, 1989.
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