SCHMIDT, S. M. P.; RALPH, D. L. The Flipped Classroom: A Twist On Teaching. Contemporary Issues in Education Research (CIER), [S. l.], v. 9, n. 1, p. 1–6, 2016. DOI: 10.19030/cier.v9i1.9544. Disponível em: https://clutejournals.com/index.php/CIER/article/view/9544. Acesso em: 30 nov. 2021.