Khairatuzzahra, K., & Supraptiningsih, N. (2026). EFL Willingness to Communicate Across Communication Contexts and Vocational Majors: A Descriptive Study of Indonesian Vocational High School Students. FOSTER: Journal of English Language Teaching, 7(4), 1479–1493. https://doi.org/10.24256/foster-jelt.v7i4.534