Negi, Jagmohan. <br/><br/>
Travel Agency and Tour Operation:  Concepts and Principles/ 
by Jagmohan Negi. 
 - 2nd. 
 - New Delhi  Kaniska Publishers  2021 
 - 498p.  includes index;  21 cm. 
<br/><br/> 23-06-2022 
<br/><br/><label>ISBN: </label>8173912319