Sripu, Chattida, Kannika Monpangtiem, Nattapon Jumpasan, Jarun Malasri, and Chintana Unsaeng. “An investigation of the COVID-19 cluster in restaurants, Mueang District, Chaiyaphum Province, January, 2022”. Journal of the Office of Disease Prevention and Control 9 Nakhon Ratchasima 29, no. 3 (August 31, 2023): 80–93. accessed September 30, 2026. https://he02.tci-thaijo.org/index.php/ODPC9/article/view/260555.