SWARNAMALI, H.; FRANCIS, T. V.; SOORIYAARACHCHI, P. .; JAYAWARDENA, R. . COVID-19 vaccine hesitancy in Sri Lanka: A national level survey. International Journal of Health Sciences, [S. l.], v. 17, n. 1, p. 3–11, 2022. Disponível em: https://pub.qu.edu.sa/index.php/journal/article/view/6379. Acesso em: 19 may. 2024.