1. Nezakati, H., Amidi, A., Jusoh, Y., Moghadas, S., Aziz, Y., Sohrabinezhadtalemi, R.: Review of social media potential on knowledge sharing and collaboration in tourism industry. Proc. Soc. Behav. Sci. 172, 120–125 (2015)
2. Ayeh, J., Leung, D., Au, N., Law, R.: Perceptions and strategies of hospitality and tourism practitioners on social media: an exploratory study. In: Fuchs, M., Ricci, F., Cantoni, L. (eds). Information and Communication Technologies in Tourism, vol. 25, issue 27, pp. 1–12, Suécia. Springer-Verlag/Wien (2012)
3. Jorge, V.: Turismo em Portugal poderá ultrapassar níveis pré-pandémicos já em 2023, prevê WTTC. Publituris (2022). https://www.publituris.pt/2022/06/14/turismo-em-portugal-podera-ultrapassar-niveis-pre-pandemicos-ja-em-2023-preve-wttc
4. Turismo de Portugal: (2021). Fluxos Turísticos para Portugal. https://travelbi.turismodeportugal.pt/mercados/relatorios/fluxos-turisticos-para-portugal/
5. INE. Instituto Nacional de Estadística: (2022). https://www.ine.es/experimental/turismo_moviles/experimental_turismo_moviles.htm#!turismo_emisor