01033nab a2200301 a 4500 AR-ReUNN 20260715065638.0 260701s ag |||||||||||||||||eng eng Davis, Kingsley 31812 Social science approaches to international migration pp. 245-261 Based on papers presented at a seminar held at Pembroke College, University of Cambridge, august 1987; Population and Development Review, a suplement to volume 14, 1988 Población 331 Crecimiento Demografico 6402 Teoria de la Población 103768 Migración Internacional 44525 Legislación 5891 Ravenstein, e. G. 110431 Migración Laboral 5394 Economía 4397 Thomas, B. 110446 Liberalismo 9839 Politica Migratoria 67096 ART (IIGHI)177831 200523 200523 200523 AR-ReUNN spa AR-ReUNN aacr2