SAPOETRA, J. Face Threatening Acts in Pre-Service Teachers and Students: A Case Study in EFL Classroom. Biormatika : Jurnal ilmiah fakultas keguruan dan ilmu pendidikan, [S. l.], v. 7, n. 2, p. 199–205, 2021. DOI: 10.35569/biormatika.v7i2.1104. Disponível em: http://ejournal.unsub.ac.id/index.php/FKIP/article/view/1104. Acesso em: 19 apr. 2024.