Negi, J.  . <br/><br/>
International tourism and travel: concepts and priciples /  
J. Negi. 
 - New Delhi :   S.Chand & Co. Ltd., ,   2004 
 - 471p ;  
<br/><br/><label>ISBN: </label>81-219-2331-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>U8.1  / P4;2