Choudhury, S.K. Hajra <br/><br/>
Element of Workshop Technology  
/ by S.K. Hajra Choudhury 
 - New Delhi:  Asia Publishing House;  1970. 
 - 572p. 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>621.75  / CHO/E