00760nam0-2200265---450-99000968732040332120130225110519.00-8247-6753-5000968732FED01000968732(Aleph)000968732FED0100096873220130225d1979----km-y0itay50------baeng--------001yyProgram evaluation at hewresearch versus realitypart 3: Welfareedited by James G. AbertNew YorkMarcel Dekker, inc.1979Abert,James G.ITUNINARICAUNIMARCBK990009687320403321I3.3947547DECTSDECTSProgram evaluation at hew839210UNINA