Gurugnanam, B. <br/><br/>
Geographic Information System 

 - New Delhi  NIPA  2020 
 - 193p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>978-81-94281-58-0 
<br/><br/><label>Dewey Class. No.: </label>621.3678  / GUR