Chaisiriprasert, P., and K. Yongsiriwit. “The development for COVID-19 awareness and surveillance for organizations using LINE LIFF application”. Journal of the Thai Medical Informatics Association, vol. 7, no. 2, Feb. 2022, pp. 62-68, https://he03.tci-thaijo.org/index.php/jtmi/article/view/6.