Year book of labour statistics 1989-90 /  
International Labour Office. 
 - 49th ed.  
 - Geneva :   International Labour Office ,   ©1990.  
 - xvii, 1094 pages :   31 cm  
<br/><br/> Includes index.  
<br/><br/><label>ISBN: </label>97809220064269 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Labor --Statistics -- Periodicals