Tib-Intha, T., and P. . . Chairatana. “Factors Affecting Elderly Tourists’ Decision Making to Choose the Accommodations in Chiang Mai”. Dusit Thani College Journal, vol. 14, no. 3, Dec. 2020, pp. 512-25, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/245542.