Open tourism  open innovation ,crowdsourcing and co-creation chaallenging the tourism industry. 
Egger,Roman ed 
 - New york:  Springer;  c 2016 
 - xxvii,476p.  ill 
<br/><br/><label>ISBN: </label>9783642540882 
<br/><br/><label>LC Class. No.: </label>G155.5  / .O64 2016