Rola, A., San Valentin, G., & Dumayas, E. (1997). Technological options for food security in grains. Center for Policy and Development Studies, University of the Philippines at Los Banos.
Citace podle Chicago (17th ed.)Rola, A.C, G.O San Valentin, a E.E Dumayas. Technological Options for Food Security in Grains. College, Laguna: Center for Policy and Development Studies, University of the Philippines at Los Banos, 1997.
Citace podle MLA (9th ed.)Rola, A.C, et al. Technological Options for Food Security in Grains. Center for Policy and Development Studies, University of the Philippines at Los Banos, 1997.
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