ISBN 9783662568668 books & textbook
Open Tourism: Open Innovation, Crowdsourcing and Co-Creation Challenging the Tourism Industry (Tourism on the Verge)
Egger, Roman Gula, Igor Walcher, Dominik
Springer /2018-04-25 Paperback / 503 Pages
isbn-10: 3662568667 / isbn-13: 9783662568668
