Sri Widyarti Ali, Indri Wirahmi Bay, Faisal Sofyan Nur. Barriers to English-Speaking Proficiency Among Indonesian EFL Learners. IJIS [Internet]. 2025 Jun. 20 [cited 2026 May 22];4(6):1185-94. Available from: https://mryformosapublisher.org/index.php/ijis/article/view/327