Travel services :  intermediate / 
authored and edited by 3G Elearning FZ LLC. 
 - New York :  3G Elearning LLC,  2016. 
 - vi, 302 p. :  ill. (some col.) ;  30 cm. +  1 CD-ROM ( 4 3/4 in.) 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9789351159377 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Travel.