Prungpol, Luksupa, and Monthon Sorakraikitikul. 2018. “The Utilization of Storytelling for Enhancing Selling Skills Training (in Thai)”. CONNEXION Journal of Humanities and Social Sciences 7 (2):127-47. https://so05.tci-thaijo.org/index.php/MFUconnexion/article/view/241203.