Stewart, Norman R.. Some Problems in the Development of Agricultural Colonization in the Andean Oriente. - s.l. : University of Nebraska, s.f.. - 6 p. ; 22 cm. - The Professional Geographer . Fotocopia. Artículo de revista The Professional Geographier. Español Subjects--Index Terms: AGRICULTURA COLONIZACION DESARROLLO RURAL Dewey Class. No.: 338.1