00627nam a2200181 a 4500 eng 304.6 E281 Muhsam, Helmut V Intrenational Union for the Scientific Study of Population Education and population mutual impacts Bogotá Ordina Editions 1975 337 p figs., tablas POBLACION EDUCACION DEMOGRAFIA SOCIAL BK 9458 9458 0 0 0 0 GRAL CINEP CINEP 1984-05-14 Alejandro Angulo, S.J 1000.00 0 304.6 E281 014572 2019-03-22 00:00:00 2009-08-11 BK