Aoyama, Tatsuya, and Tomoko Takahashi. “International Students’ Willingness to Communicate in English As a Second Language: The Effects of L2 Self-Confidence, Acculturation, and Motivational Types”. Journal of International Students 10, no. 3 (August 15, 2020): 703–723. Accessed April 7, 2025. https://ojed.org/jis/article/view/730.