Computer aided drafting / 
Kumar,Gautam 
 - New Delhi, India :  Random Publications,  2020. 
 - viii, 312 p.:  ill.;  23.6 cm. 
<br/><br/>Includes  bibliography, index 
<br/><br/><label>ISBN: </label>9789352695003 
<br/><br/><label>Dewey Class. No.: </label>C 604.240 K963 2020