โรจนพิทยากร ว. . 100 Million Doses of COVID-19 Vaccination and the 2 Years of the Epidemic. Journal of Health Science of Thailand, [S. l.], v. 30, n. 6, p. 971–972, 2022. Disponível em: https://www.thaidj.org/index.php/JHS/article/view/11558. Acesso em: 9 dec. 2025.