A complete guide for travel professionals / 
3G E-Learning 
 - New York :  3G E-Learning LLC,  2019. 
 - xiii, 308 p.: col. ill.; 25.4 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9781680948684 
<br/><br/><label>Dewey Class. No.: </label>C 910.237 C531 2019