Zouni, G., Nasiou , P.-M., Georgaki, I. y Kapetanaki, E. 2022. COVID-19 impact on tourism: Measuring similarities and differences on tourists and tourism businesses’ perceptions . Tourism and Heritage Journal. 3, (feb. 2022), 68–100. DOI:https://doi.org/10.1344/THJ.2021.3.6.