Inthanop, I., W. Pansila, and W. L. Laohasiriwong. “An Evaluation of Prehospital Medical System Management of the Primary Emergency Unit under Local Administrative Organizations in Roi Et Province”. Asia-Pacific Journal of Science and Technology, vol. 16, no. 8, Apr. 2017, pp. 1054-6, https://so01.tci-thaijo.org/index.php/APST/article/view/83634.