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4by 112552 Roger, P.A., 84169 Kulasooriya, S.A., 12802 International Rice Research Institute, Los Baños (Filipinas)
Published 1980bibliotecaIICA -
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8Systems approaches for agricultural development, proceedings Systems approaches for agricultural development, proceedingsby 104176 Penning de Vries, F., 123877 Teng, P., 93929 Metselaar, K. eds., 12802 International Rice Research Institute, Los Baños (Filipinas), International Symposium on Systems Approaches for Agricultural Development Bangkok (Tailandia) 2-6 Dic 1991
Published 1993bibliotecaIICA