Statistics relating to D. G. T. D. for the period 

 - Delhi  Manager of Publications India         1978 
 - 128p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial Economics
<br/><br/><label>Dewey Class. No.: </label>X9.2.N7, L8