Outhaivanh, P., Samat, C. and Somabut, A. (2019) “ Lao PDR”., Journal of Innovation and Learning Sciences, 13(1), pp. 183–194. available at: https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/181160 (accessed: 14 September 2026).