Martínez-Zocón, Raúl Narciso, and José Theódulo Esquivel-Grados. 2023. “Quaternary Ideograms As a Didactic Technique to Form Mathematical Conceptual Relationships in University Students”. HUMAN REVIEW. International Humanities Review / Revista Internacional De Humanidades 21 (2):451-64. https://www.historicoeagora.net/revHUMAN/article/view/5081.