Leal, S. S. ., R. P. C. Moreira, L. A. Amaral, J. de A. Barbosa, T. P. Alves, I. M. de Matos, and S. C. Pereira. “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, vol. 2, no. 2, Dec. 2023, pp. 43-61, doi:10.33422/ijsfle.v2i2.464.