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En esta obra se recogen dos estudios sobre problemas agrarios que se ofrecieron en forma de conferencia los cursos de inverno, 1945, en la escuela nacional de economía

Agriculture --- Agricultural machinery --- Economic aspects --- Crops --- Farm machinery --- Machinery --- Farm equipment --- Farm mechanization --- Machine-tractor stations --- Equipment and supplies --- Agricultural machinery. --- Mecanisation agricole --- Economic aspects. --- Aspect economique --- Mexico. --- Farming --- Husbandry --- Industrial arts --- Life sciences --- Food supply --- Land use, Rural --- Agrarian question --- Agribusiness --- Agricultural economics --- Agricultural production economics --- Production economics, Agricultural --- Anáhuac --- Estados Unidos Mexicanos --- Maxico --- Méjico --- Mekishiko --- Meḳsiḳe --- Meksiko --- Meksyk --- Messico --- Mexique (Country) --- República Mexicana --- Stany Zjednoczone Meksyku --- United Mexican States --- United States of Mexico --- מקסיקו --- メキシコ --- History of the Americas