1. Agência Lusa. (2020). Secretária de Estado do Turismo acredita em "muitos congressos e eventos" este ano [Secretary of State for Tourism believes in "many congresses and events" this year]. Retrieved from https://www.turisver.com/rita-marques-espera-muitos-eventos-e-congressos-em-portugal-ate-ao-final-do-ano/
2. Economic uncertainty before and during the COVID-19 pandemic
3. Ambitur. (2020a). APECATE: Prevemos faturar menos 70% a 80% face a 2019 [We expect to earn 70% to 80% less compared to 2019]. Retrieved from https://www.ambitur.pt/apecate-prevemos-faturar-menos-70-a-80-face-a-2019/?fbclid=IwAR3a3yd1zExpCp_hBi54Y0K-uv5IccvU68Y1L6KPyAcXyCzp830TQKzZgdo
4. Ambitur. (2020b). APECATE estima perdas entre 60% e 90% no setor de congressos, eventos e animação [APECATE estimates losses between 60% and 90% in the congresses, events and entertainment sectors]. Retrieved from https://www.ambitur.pt/o-setor-dos-eventos-e-animacao-turistica-quer-mostrar-que-cumprindo-as-regras-de-saude-poderemos-continuar_atrabalhar/?fbclid=IwAR1Rwui9p87NIfSVL_SXYLy4vBvyP61cWPoRtLuSGj4BB5kaVQF7eavtGXk
5. How strong is the linkage between tourism and economic growth in Europe?