ELGAMAL, Hebatullah. What is the De facto? Implementation of the Flipped Classroom Method in Higher Education: Veteran Professors Share Their Experiences over Multiple Years. Online Learning, Boston, MA, v. 29, n. 1, 2025. DOI: 10.24059/olj.v29i1.4248. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/4248. Acesso em: 1 apr. 2026.