ขัตติยะสุวงศ์ ส. (2019) “HOSPITAL SERVICES PERCEPTION FOLLOWED BY SERVICE MARKETING MIX STRATEGIES OF CLIENTS, OUT-PATIENT DEPARTMENT OF MEDICINE, POLICE GENERAL HOSPITAL”, JOURNAL OF THE POLICE NURSES AND HEALTH SCIENCE. Bangkok, Thailand, 11(2), pp. 285–294. available at: https://he01.tci-thaijo.org/index.php/policenurse/article/view/179527 (accessed: 16 September 2026).