Social reseach and rural life in Central America, México and the Caribbean region; proceeding of a seminar organized by UNESCO in co-operation with the United Nations Economic Commision for Latin America, Mexico, City : (1962 : October, 27) - Vries, Egbert de n. 1901; Gonzales Casanova, P. (Paris : UNESCO, 1966)
Keywords: AMERICA CENTRAL -- CONDICIONES RURALES - CONGRESOS; REGION DEL CARIBE -- CONDICIONES RURALES - CONGRESOS; MEXICO -- CONDICIONES RURALES - CONGRESOS; AGRICULTURA -- ASPECTOS ECONOMICOS - AMERICA CENTRAL - CONGRESOS