venugopal, k. <br/><br/>
Engineering drawing and graphics +autocad;9-11 

 - 3rd ed. 
 - india  New  age international (P) limited.  1998 
 - 96p. 
<br/><br/><label>ISBN: </label>8122411614; 
<br/><br/><label>Dewey Class. No.: </label>604.2  / V569e