M. D. L. Cumbal Perugachi, Y. M. Cumbal Perugachi, K. L. Fernández Rodríguez, y G. Abad Peña, «: Gamification in the motivation of reading and writing natural numbers from 0 to 999 of third year elementary school students»., Rev. Cient. Multi. G-nerando, vol. 6, n.º 1, pp. Pág. 3367 – 3391, jun. 2025.