RT Article T1 Individual and structural explanations of poverty JF Population research and policy review VO 7 IS 3 SP 201 OP 222 A1 Beeghley, Leonard A2 Beeghley, Leonard LA English YR 1988 UL https://krimdok.uni-tuebingen.de/Record/1634312686 K1 Armut K1 Usa K1 Aufsatz in Zeitschrift