Narváez Cárdenas, E. M. y Vivero Almeida , H. M. (2026) «Gamification as a didactic strategy for developing speaking skills in ninth-grade students at the Sagrado Corazón de Jesús public school», Arandu UTIC, 13(3), pp. 233–253. doi: 10.69639/arandu.v13i3.2392.