00492nam a22001577a 450000100060000000300100000600500170001604000140003300800410004702000180008810000680010624500810017426000420025530000110029765000260030815606MX-SIABUC20260702204730.0  aMX-SIABUC050529s1976    sz x   j            eng d  a92-2-101336-740aInternational Labour Organisation (8a. : 1976 : Ginebra, Suiza)0 aManpower aspects of establishing chemical industries in developing countries4 aGeneva :bInternacional Labour Office4 a126 p.  a1.DERECHO DEL TRABAJO