DISCOURSE FUNCTIONS OF LECTURER CODE-SWITCHING IN ESP CLASSROOMS: A CASE STUDY IN BAROMBONG MERCHANT MARINE POLYTECHNIC. EXPOSURE : JURNAL PENDIDIKAN BAHASA INGGRIS, [S. l.], v. 15, n. 1, p. 14–31, 2026. DOI: 10.26618/g2zcdw11. Disponível em: https://journal.unismuh.ac.id/index.php/exposure/article/view/18496. Acesso em: 4 jun. 2026.