Khunsawai, B. ., T. . Promarak, and N. . Tippayanate. “Effects of Smart Safe Program on Self Efficacy for Basic Life Support of Village Health Volunteers in Community Thadcherngchum Sub-District Muang District Sakon Nakhon Province”. UBRU Journal for Public Health Research, vol. 9, no. 2, Dec. 2020, pp. 69-79, https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/238939.