Monthly labor review . 

 - Washington  U.S govt. printing office .     1976 
 - 110  cm. 
<br/><br/><label>Standard No.: </label>154983 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X : 9m . 73 . N76, L6 .99"