BUDAKKIRAN M, MERCAN Şefik O. A Study upon Marmara and Aegean Region Intended to the Preference of SPA Centers in the Chain of a Five Stars Hotel Institutions. TWIST [Internet]. 2024 Nov. 21 [cited 2024 Nov. 22];19(4):242-53. Available from: https://twistjournal.net/twist/article/view/554