Systems approaches for agricultural development : proceedings of the International Symposium on Systems Approaches for Agricultural Development - Penning de Vries, F. W. T.; Teng, P.S.; Metselaar, Klaas (London Kluwer Academic Publishers, 1992)
Keywords: Agricultural systems -- Congresses; Crops -- Congresses; Crops -- Mathematical models -- Congresses; Agricultural systems -- Research -- Congresses; Rice -- Congresses