Pothi, Parichart, Warawat Sriyabhaya, and Sheng De Huang. 2022. “Affecting Factors for Japanese Speaking Anxiety of East Asian Languages Program Students Japanese Course Chiang Rai Rajabhat University”. Fa Nuea Journal 13 (2):39-58. https://so01.tci-thaijo.org/index.php/FaNJ/article/view/259571.