Terapong Ayamuang, Suwichai Kosaiyawat, Worawut Phengphan. THE HEALTH SPA PROMOTION FOR HEALTH TOURISM CENTER IN EASTERN REGION OF THAILAND. Elementary Education Online [Internet]. 2023 Dec. 19 [cited 2024 Jul. 5];20(5):4412-8. Available from: https://ilkogretim-online.org./index.php/pub/article/view/4120