XIN, Chen Jin. Design and Analysis of Project-driven Flipping Classroom Teaching Cases. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 6, n. 11, p. 99–107, 2018. DOI: 10.31686/ijier.vol6.iss11.1239. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/1239. Acesso em: 19 apr. 2025.