Gushqui Guamán DF, Carlin-Chávez EL. Manipulative Didactic Materials for Mathematics Learning in Children Aged 5 to 6 Years. RIE [Internet]. 2026 Jul. 31 [cited 2026 Aug. 15];10(3):86-103. Available from: https://www.revista-iberoamericana.org/index.php/es/article/view/378