Yusamran, Patpinan, and Waranyu Chayaban. 2026. “A Comparison of Undergraduate Students’ Self-Efficacy in English Communication of the Faculty of Hospitality Industry, Kasetsart University, Kamphaeng Saen Campus”. Sripatum Review of Humanities and Social Sciences 26 (1):80-96. https://so05.tci-thaijo.org/index.php/spurhs/article/view/285536.