Wuttikraikrieng, Rassamee. “The Image of Foreigners in Modern German Films and the Use of Films as Teaching Materials in German as a Foreign Language Classes”. Journal of Letters 47, no. 3 (December 29, 2018): 173–205. accessed December 8, 2025. https://so03.tci-thaijo.org/index.php/jletters/article/view/158852.