LEE, K.; GOH, H.; TENG, J.; WONG, K. W. Flipped classroom: An investigation into learner engagement during non-face-to-face components. Scholarship of Teaching and Learning in the South, [S. l.], v. 4, n. 2, p. 118–137, 2020. DOI: 10.36615/sotls.v4i2.116. Disponível em: https://sotl-v2.co.za/index.php/sotls/article/view/116. Acesso em: 20 jan. 2022.