Kafaksom, Thanuchporn, and Rattana Panrainsan. “Services Quality of Allergy Medicine Clinic Ramathibodi Hospital”. Research Medical Journal 36, no. 2 (June 30, 2013): 152–160. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/ramajournal/article/view/102271.