Travel services :  Intermediate / 
3G E-Learning LLC 
 - 2nd ed. 
 - USA :  3G E-Learning LLC,  2018. 
 - v, 346 p.: ill. ; 27.9cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9781682514252 
<br/><br/><label>Dewey Class. No.: </label>C 338.479 T779 2018