Shukla,Prakash <br/><br/>
Teach yourself how things function: a ready guide to gadgets and machines volume 1/by Prakash Shukla 

 - Delhi  Hind pocket book (P) ltd  1987 
 - 174p. 
<br/><br/><label>ISBN: </label>812160012x 
<br/><br/><label>Dewey Class. No.: </label>771.3  S91H