Kantvorarat W, Maunchaiya A, Rueangrit Y. Guidelines for the Development of Health Tourism for Thai Elderly Tourists in Chiang Rai Province. JHS.TRU [internet]. 2026 Feb. 5 [cited 2026 Sep. 12];20(1):55-68. available from: https://so03.tci-thaijo.org/index.php/trujournal/article/view/295379