Chaisiriprasert, Parkpoom, and Karn Yongsiriwit. “The Development for COVID-19 Awareness and Surveillance for Organizations Using LINE LIFF Application”. Journal of the Thai Medical Informatics Association 7, no. 2 (February 6, 2022): 62–68. Accessed May 5, 2024. https://he03.tci-thaijo.org/index.php/jtmi/article/view/6.