The Challenges Faced by English Teachers in Developing Teaching Professionalism at SMKN 1 Tebing Tinggi. Bilingual : Jurnal Pendidikan Bahasa Inggris, [S. l.], v. 8, n. 1, p. 11 – 19, 2026. DOI: 10.36985/nne75b22. Disponível em: https://jurnal.usi.ac.id/index.php/jbl/article/view/2312. Acesso em: 13 may. 2026.