AKHTAR (MPH), N. . COVID-19: A GREAT CHALLENGE FOR THE TOURISM INDUSTRY. Journal of Biomedical and Pharmaceutical Research, [S. l.], v. 10, n. 1, p. 83–87, 2021. DOI: 10.32553/jbpr.v10i1.842. Disponível em: https://jbpr.in/index.php/jbpr/article/view/842. Acesso em: 10 jun. 2026.