Khawatkun, Krantharat. “Hotel Management in Muang District, Phayao Province to Support the New Normal Tourists”. Hatyai Academic Journal 21, no. 2 (July 14, 2023): 243–259. accessed August 27, 2026. https://so01.tci-thaijo.org/index.php/HatyaiAcademicJournal/article/view/252835.