Carvalho, João VidalRocha, ÁlvaroLiberato, PedroPeña, Alejandro2020-11-182020-11-182021978-981-33-4255-2978-981-33-4256-92190-30182190-3026http://hdl.handle.net/10400.22/16469engAdvances in tourism, technology and systems: selected papers from ICOTTS20, Volume 1book10.1007/978-981-33-4256-9