Tassev, V. V. (2019) “University Students’ Attitudes towards Comprehensibility of Pronunciation of Native English Teachers versus Non-native English Teachers”, Research and Development Journal Suan Sunandha Rajabhat University. Bangkok, Thailand, 11(2). available at: https://so05.tci-thaijo.org/index.php/irdssru/article/view/233393 (สืบค้น: 7 ตุลาคาม 2026).