000 00305 am a2200121 a 4500
100 1 _a
_d
245 1 _aLevels of poverty
_bPolicy and change
260 _aWashington
_c1980
300 _a1-91 p.
942 _2udc
_cB
440 _aPolicy Washington World Bank Staff working Paper No. 401
901 _aS32890
999 _c114448
_d114448