Nag, Prithvish. <br/><br/>
Geographical information system : concepts and business oportunities /  
by Prithvish Nag and Smita Sengupta. 
 - /   . 
 - New Delhi :   Concept Publishing ,   2007. 
 - xiv,520p. :   ills.,picts.,tables ;   24cm .  
<br/><br/>INcludes bibliographical references and index 
<br/><br/><label>ISBN: </label>8180694356  RS1,500.00 
<br/><br/><label>Subjects--Index Terms: </label>INFORMATION SYSTEM-GEOGRAPHY  
<br/><br/><label>Dewey Class. No.: </label>910.825  / NAG/G