Ramli, Kozi, Jumatul Hidayah, Sarwo Edy, and Farida Esmianti. “Factors of Students’ Willingness and Unwillingness to Speak English in the Classroom”. Journal of English Education and Teaching 5, no. 1 (March 2, 2021): 95–109. Accessed May 4, 2024. https://ejournal.unib.ac.id/JEET/article/view/13706.