LEAL, S. S. .; MOREIRA, R. P. C.; AMARAL, L. A.; BARBOSA, J. de A.; ALVES, T. P.; MATOS, I. M. de; PEREIRA, S. C. Extension Project Based on Flipped Classroom to the Development of Hard and Soft Skills in Brazilian Outskirts: Case studies. International Journal of Second and Foreign Language Education, [S. l.], v. 2, n. 2, p. 43–61, 2023. DOI: 10.33422/ijsfle.v2i2.464. Disponível em: https://www.diamondopen.com/journals/index.php/ijsfle/article/view/464. Acesso em: 22 dec. 2025.