Chongkonsatit, Watcharin, Nantanut Wongsinphaibon, Airin Kurupakorn, Kotchakorn Urairoekkun, and Kanjanaporn Noimanee. 2022. “7Cs marketing mix factors in a dental school comprehensive care clinic: A confirmatory factor analysis”. Mahidol Dental Journal 42 (1). Bangkok, Thailand:13-24. https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/253769.