หลงสวาสดิ์ ร. (2019) “THE CLIENTS’ SATISFACTION OF OUT-PATIENT DEPARTMENT SERVICE IN SOMDETPHAPHUTALERTLA HOSPITAL”, Hua Hin Medical Journal, 4(3), p. e0070. available at: https://he01.tci-thaijo.org/index.php/hhsk/article/view/227324 (accessed: 3 October 2026).