LI JINGHAN; JEANNET STEPHEN. Online Teaching and Learning in Higher Education: COVID-19 as a Demarcation Line. The English Teacher, [S. l.], v. 54, n. 2, 2025. Disponível em: https://meltajournals.com/index.php/TET/article/view/6. Acesso em: 22 feb. 2026.