00721nam0-22002891i-450-990003114150403321000311415FED01000311415(Aleph)000311415FED0100031141520000920d--------km-y0itay50------baitaITLabor EconomicsSolomon Blum.LondonPitman\s.d\\.VIII, 579 p.21 cmAmerican Business SeriesG/2.0Blum,SolomonITUNINARICAUNIMARCBK990003114150403321G/20 BLU7259SESSESLabor economics57536UNINAING01