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: 29 oct. 2025.