00522nam a2200133Ia 4500001000700000003000500007005001700012008004100029100002600070245006400096490013800160610004500298651004500343132453BIBL20160527192234.0931020s1957||||xx a ||||||||||1||eng|d1 aRoss, David F.2Local14aThe costs and benefits of Puerto Rico's Fomento programmes.0 aIn Social and Economic Studies. Publication for the year 1957. Jamaica, September, 1957. illus., (tables)vVol. 6., no. 3, p. 329-36220aP.R. Government Development Bank.2Local 0aPuerto RicoxEconomic conditions.2Local