Mekarkakorn, T., Narkwiboonwong, S. and Suthinarak, W. (2019) “A causal model development of professional teachers in vocational education”, Kasetsart Journal of Social Sciences, 40(2), pp. 509–518. Available at: https://so04.tci-thaijo.org/index.php/kjss/article/view/242214 (Accessed: 6 May 2024).