THONGVANHNA, K., SIPHANTHONG, B. and Sioudomphan, S. (2024) “ Xayaboury Province”., Souphanouvong University Journal Multidisciplinary Research and Development , 10(2), pp. 72–83. Available at: https://su-journal.com/index.php/su/article/view/488 (Accessed: 25 July 2026).