Sihabutr, Chaturaporn. “Knowledge of Sustainable Tourism and Environmental Awareness: Luang Prabang, Laos PDR”. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences 35, no. 3 (June 18, 2019): 14–28. accessed August 30, 2026. https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/195550.