Pingkaew, N. . ., Jittithavorn, C. ., Na Talang, C. . and Pongponrat, K. . . (2020) “Behaviors, Experiences, and Needs of Senior Tourists Visiting Khao Yai National Park ”, Dusit Thani College Journal, 14(3), pp. 51–77. Available at: https://so01.tci-thaijo.org/index.php/journaldtc/article/view/245492 (Accessed: 18 April 2024).