Ccanto, F. F. ., Maldonado, D. M. C. ., Condori, J. C. V. ., Aguirre, G. F. Q. ., & Lira, M. M. V. . (2024). Learning statistics for doctoral students with digital teaching materials. International Journal of Innovative Research and Scientific Studies, 7(4), 1415–1422. https://doi.org/10.53894/ijirss.v7i4.3428