[1]
Ángel P. Obregón Mayorga, M. A. Logroño Becerra, C. E. Rojas Castro, and G. A. Gordillo Obregón, “Development of oral production through questions and answers as a technique for learning English as a foreign language in second-level students”, CCD, vol. 4, no. 3.1, pp. 157-176, Aug. 2021.