Hamidiyah, A., Purwo, B. K., & Sari, F. (2026). Production of the English Voiceless Labiodental Fricative /f/ by Sundanese EFL Student Teachers: A Case Study. Journal La Edusci, 7(4), 1084-1099. https://doi.org/10.37899/journallaedusci.v7i4.3311