Laohakul, Pavita, Borwon Wittayachamnankul, Kamphee Sruamsiri, and Parinya Tianwibool. 2020. “Information Technology for Emergency Medical System (ITEMS): A Study of its Use and Problems”. Journal of Health Systems Research 14 (3). Nonthaburi, Thailand:344-56. https://he04.tci-thaijo.org/index.php/j_hsr/article/view/3628.