Erlina D, Pratama RA, Marzulina L, Holandyah M, Herizal H, Harto K. The Introvert Personality and Speaking Challenges: The Case of Indonesian EFL Student Teachers. IRJE [Internet]. 2023Apr.22 [cited 2024Nov.5];7(1):43-60. Available from: https://online-journal.unja.ac.id/irje/article/view/24716