Tourism and Air Quality during COVID-19 Pandemic: Lessons for the Future Alexandra Monteiro Celeste Eusébio Maria João Carneiro Mara Madaleno Margarita Robaina Vitor Alexandre Gomes Rodrigues Carla Gama et al. Publication Journal: Sustainability Year of Publication: 2021 Identifiers Other Numbers: cv-prod-id-2612739 Alternative titles Google ScholarBibTeXRIS Locators