Promjanya, P., and W. Rojcharapaphaporn. “Service Marketing Mix Affecting the Satisfaction of Private Hospital service users in Muang District, Nakhon Ratchasima Province”. Journal for Strategy and Enterprise Competitiveness, vol. 3, no. 9, Dec. 2024, pp. 34-51, https://so07.tci-thaijo.org/index.php/STECOJournal/article/view/5792.