Krajangchom, S., Sangkakorn, K. and Poonsukcharoen, N. (2021) “The Adaptation Strategy of Tourism in Upper North of Thailand under the COVID-19 Pandemic”, University of the Thai Chamber of Commerce Journal Humanities and Social Sciences, 41(1), pp. 1–20. available at: https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/243464 (accessed: 26 August 2026).