Sukwan, O., P. Susaorat, T. Taewattana, and W. Langka. “The development of industrial students coaching model under dual vocational training system for entrepreneurial trainer: Concentration in industrial education”. Kasetsart Journal of Social Sciences, vol. 42, no. 2, Apr. 2021, pp. 262-8, https://so04.tci-thaijo.org/index.php/kjss/article/view/251195.