Yang, L. ., and A. . Liang-Itsara. “Thai Undergraduates’ Motivation in Learning Different Foreign Languages: A Dörnyei’s L2MSS Perspective”. International Journal of Learning, Teaching and Educational Research, vol. 23, no. 1, Jan. 2024, pp. 159-85, https://ijlter.myres.net/index.php/ijlter/article/view/1838.