Ngoc Tran, Huy, Trong Duc Tran, Thuong Doan Ngoc Nguyen, Mai Thi Ngoc Nguyen, and Quynh Xuan Tran. “Exploring English Self-Efficacy Among Vietnamese Undergraduates: The Role of Gender and Academic Major”. OKARA: Jurnal Bahasa dan Sastra 19, no. 2 (November 30, 2025): 206–218. Accessed May 6, 2026. https://ejournal.uinmadura.ac.id/index.php/okara/article/view/21288.