Prasetyo, Sigit. “ENHANCING SELF-CONFIDENCE IN ENGLISH COMMUNICATION AMONG TOURISM ACADEMY STUDENTS USING ERROR-FRIENDLY ENVIRONMENT METHOD: A QUALITATIVE STUDY”. Journal of Innovation Research and Knowledge 4, no. 6 (November 23, 2024): 4009–4026. Accessed July 6, 2025. https://mail.bajangjournal.com/index.php/JIRK/article/view/8971.