Social research and rural life in Central America, Mexico and the Caribbean region : proceedings of a seminar organized by Unesco in co-operation with the United Nations Economic ... - Vries, Egbert de n. 1901 (Paris : UNESCO, 1966)
Keywords: AGRICULTURA -- ASPECTOS ECONOMICOS - AMERICA CENTRAL; DESARROLLO RURAL -- AMERICA CENTRAL - CONGRESOS; AGRICULTURA -- ASPECTOS ECONOMICOS - MEXICO