Choudhary A.K.Hajra, Choudhary S.K.Hajra & Roy Nirjihar <br/><br/>
Elements of Workshop Technology 

 - 11 ed 
 - media promoters &publishers, mumbai  1964 
 - viii;653 
<br/><br/><label>ISBN: </label>81-85099-14-6 
<br/><br/><label>Dewey Class. No.: </label>620.1 Cho