1. Alan, B., So, S., Sin, L.: Crisis management and recovery: how restaurants in Hong Kong responded to SARS. Int. J. Hosp. Manage. 25(1), 3–11 (2006)
2. Atshaya, S., Rungta, S.: Digital marketing vs. internet marketing: a detailed study. Int. J. Novel Res. Market. Manage. Econ. 3(1), 29–33 (2016)
3. Baum, T., Hai, T.: Hospitality, tourism, human rights and the impact of COVID-19. Int. J. Contemp. Hosp. Manage. (2020)
4. Bryman, A.: Triangulation and measurement. Department of Social Sciences, Loughborough University, Loughborough, Leicestershire (2004). www.referenceworld.com/sage/socialscience/triangulation.Pdf
5. Bozoki, W.: 3 Key Reasons data accessibility is essential in research. https://www.labkey.com/3-key-reasons-data-accessibility-essential-research/ (2018). Accessed 24 July 2021