Álvaro Rocha, António Abreu, João Vidal de Carvalho, Dália Liberato, Elisa Alén González, Pedro Liberato <br/><br/>
Advances in Tourism, Technology and Smart Systems 

 -  Springer  Springer  2020 
<br/><br/><label>ISBN: </label>9789811520242 
<br/><br/><label>Source: </label>EBOOK