Employment and manpower information in developing countries  : a training guide 
/ International Labour Office 
. - Genève  : OIT, 1982
. - 186 p.  ; 29 cm. 
<br/><br/><label>ISBN: </label>9221029859 
<br/><br/><label>Source: </label> Achat 
<br/><br/><label>Universal Decimal Class. No.: </label>331.