Purwanto, M Bambang, and Umar Umar. “Innovations and Hurdles in Digital English Learning: A Hospitality Education Perspective”. Jolly Journal of English Education 2, no. 2 (December 31, 2024): 106–121. Accessed October 15, 2025. https://ejournal.staihwduri.ac.id/index.php/jjee/article/view/92.