Chakravorty, K. R. <br/><br/>
Technology / 
K. R. Chakravorty. 
 - Bihar :  Bulletin of the Planning & Development Division,  1967. 
 - 69 p. : 
<br/><br/><label>ISBN: </label>GOVTDOC5449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology
<br/><br/><label>Dewey Class. No.: </label>600  / Te