Memongkol, N., Sinthavalai, R., Seneeratanaprayune, N., Ounsaneha, W., & Choosuk, C. (2009). The Performance Indicators Development in operational level for pre-hospital EMS in Thailand. Journal of Public Health and Development, 7(2), 117–130. Retrieved from https://he01.tci-thaijo.org/index.php/AIHD-MU/article/view/105390