International travel & tourism / 
 International travel and tourism 
edited by 3G E-learning LLC.    
 - USA :  3G E-Learning LLC,  2017.  
 - x, 224 p. :  col. ill. ;  24 cm. +  1 CD-ROMs (4 3/4 in.)   
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781680954234  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecotourism.<br/>Travel.