1.
Teo A, Kaewsakul W. Cultural Contents in Fundamental English Coursebooks. NIDA J. Lang. Commun. [internet]. 2016 Apr. 8 [cited 2025 Dec. 10];21(27):1-17. available from: https://so04.tci-thaijo.org/index.php/NJLC/article/view/54551