00583nam a22001577a 450000100060000000300100000600500170001604000140003300800410004702000190008811000680010724501720017526000420034730000100038965000260039915580MX-SIABUC20260702204729.0  aMX-SIABUC050528s1975    sz x   j            eng d  a92-2-101-307-3 2aInternational Labour Organisation (9a. : 1975 : Ginebra, Suiza)0 aThe forecasting of manpower requirements in the iron and steel industry and its significance for the recruitment and vocational training of the industry's labour force4 aGeneva :bInternational Labour Office4 a62 p.  a1.DERECHO DEL TRABAJO