Fajardo-Guapisaca, M. M. y Argudo-Garzón, A. L. (2022) «Oral skills and Flipgrid platform in english as a foreign language learners», Revista Arbitrada Interdisciplinaria Koinonía, 7(1), pp. 46–64. doi: 10.35381/r.k.v7i1.1678.