QAMARIAH, Hijjatul; HERCZ, Maria. How EFL Instructors Improve Their Professionalism: The Voice from Indonesian Higher Education Institutions. Jurnal Ilmiah Peuradeun, [S. l.], v. 13, n. 1, p. 409–436, 2025. DOI: 10.26811/peuradeun.v13i1.1507. Disponível em: https://journal.scadindependent.org/index.php/jipeuradeun/article/view/1507. Acesso em: 17 apr. 2026.