Fathan, M. Y., Manurung, K., & Hasyim, Z. (2026). Exploring Intrinsic and Extrinsic Factors Shaping EFL Students’ Speaking Confidence: A Qualitative Study at an Islamic Senior High School in Indonesia. FOSTER: Journal of English Language Teaching, 7(3), 485-504. https://doi.org/10.24256/foster-jelt.v7i3.465