บุญเชิด ชาญชัย, and อนุกูลประชา โสธรา. 2024. “Outcomes and Costs of Favipiravir, Molnupiravir, Remdesivir and Andrographis Paniculata During the COVID-19 Outbreak, Kut Chum District, Yasothon Province”. Journal of Health Science of Thailand 33 (1):108-19. https://thaidj.org/index.php/JHS/article/view/13008.