Report on survey  of labour conditions in general 

 - Delhi  Manager of Publication India         1978 
 - vi, 72p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical
<br/><br/><label>Dewey Class. No.: </label>X 9 (D6, 8) :9.2.N7s, L8