Saidah, Ida. “DEVELOPING SPEAKING MATERIALS TO IMPROVE NON- ENGLISH MAJOR LEARNERS’ SELF-CONFIDENCE IN SPEAKING PERFORMANCE”. Jurnal Smart 11, no. 1 (January 1, 2025): 68–81. Accessed June 25, 2026. https://ejournal.umpri.ac.id/index.php/smart/article/view/2662.