Sroyprtch, Supattra, Somyot Ongkhluab, Anchalee Rungchaiyan, and Thitiporn Tanaichote. 2017. “The preferred type of tourist accommodation for tourists in the southern part of the north eastern region, Thailand (Thai)”. Asia-Pacific Journal of Science and Technology 12 (4):529-36. https://so01.tci-thaijo.org/index.php/APST/article/view/83925.