00775nam0-2200289---450-99000976302040332120130924094207.092-2-101238-7000976302FED01000976302(Aleph)000976302FED0100097630220130924d1975----km-y0itay50------baengCH--------001yytechonology and employment industryGinevraInternationl Labour Office1975xv, 324 p.21 cmBhalla,A. S.128481ITUNINARICAUNIMARCBK990009763020403321ISVE L01.4DECTSDECTSTechonology and employment industry834731UNINA