STUDENTS™ PREFERERNCES TOWARD TEACHERS™ ORAL CORRECTIVE FEEDBACKS ON SPEAKING AT SMK NEGERI 4 MEDAN. TRANSFORM: Journal of English Language Teaching and Learning, North Sumatera, Indonesia, v. 9, n. 1, 2020. DOI: 10.24114/tj.v9i1.19961. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jelt/article/view/19961. Acesso em: 20 mar. 2026.