อินต๊ะแก้ว อ. and อัครพัฒนวงษ์ อ. (2018) “A Study of Burnout in Studying English of Undergraduate Students of Rajapark Institute”, Rajapark Journal. Bangkok, Thailand, 11(24), pp. 140–154. available at: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/120628 (accessed: 29 September 2026).