00995nam a2200217Ia 4500999001900000001000700019003000500026005001700031008004100048040001900089245021200108260005700320300001000377336000800387337001600395338001900411650006000430650004700490942004800537952019200585  c165888d165888221329BIBL20180914124941.0990602|1974||||ca |||||||||||||| ||eng|d  aEVLGbspaerda10aPopulation change :ba case study of Puerto Rico /cprepared by Sociological Resources for the Social Studies;Sponsored by the American Sociological Association; supported by the National Science Foundation.  aBelmont, California : Allyn and Bacon, Inc. :c1974.  a54 p.  btxt  2rdamediabn  2rdacarrierbnc 0aPopulationxSocial AspectszPuerto rico.2Local9152616 0aSocial changezPuerto Rico.2Local9171740  2lccc6hHB 3555 .S6 1974kHB 3555m.S6 1974  00102lc406HB_3555_000000000000000__S6_1974708mbref9308339a12b12c7d2016-05-27edonaciØni316178l0oHB 3555 .S6 1974p50000001989895r2016-05-27 00:00:00xr:221329 x z:NCC:Dy9