Yamjirm, Narapon, Sangthong Terathongkum, and Noppawan Piaseu. “Situational Analysis of Pre-hospital Care System for Emergency Patients in Selected Community”. Research Medical Journal 34, no. 2 (June 27, 2011): 107–121. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/ramajournal/article/view/136068.