OCTASARY, Magvirah; NAHDAWATI, Nahdawati; WIDYASTI ANWAR, Indry. Grammatical Competence in EFL Learners: A Quantitative Study on the Misuse of ’To Be’ at University Level. ELS Journal on Interdisciplinary Studies in Humanities, [S. l.], v. 8, n. 3, p. 826–831, 2025. DOI: 10.34050/els-jish.v8i3.44320. Disponível em: https://journal.unhas.ac.id/index.php/jish/article/view/44320. Acesso em: 28 feb. 2026.