Resultats de la cerca - Prantilla, Edmundo Barrios 1940-

Economic optimization models of multiple cropping system: applied to the Philippines per Prantilla, Edmundo Barrios 1940-

The supply response of sugar in the Philippines per Prantilla, Edmundo Barrios 1940-

The supply response of sugar in the Philippines [microform] per Prantilla, Edmundo Barrios 1940-

National development and regional policy