Rinwong, N., T. Prompinij, A. Jinvong, S. Suparatanagool, K. Kongprasert, and P. Chaisri. “Emergency Medical Service: A Case Study of the Local Government Administration Ban Tad Subdistrict, Mueang District, Udon Thani Province”. Journal of Health Systems Research, vol. 17, no. 4, Dec. 2023, pp. 699-15, https://he04.tci-thaijo.org/index.php/j_hsr/article/view/2422.