International Labour Office <br/><br/>
Employmenr, unemployment and labour force statistics: A study of methods 

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 - ILO, Geneva  1948 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor economics
<br/><br/><label>Dewey Class. No.: </label>331  INT-E