Nurwahida, N. and Fitri, R. 2026. Promoting Self-Regulation and Behavioral Discipline in Preschoolers Through Structured Number-Block Play . ETDC: Indonesian Journal of Research and Educational Review . 6, 1 (Oct. 2026), 410–421. DOI:https://doi.org/10.51574/ijrer.v6i1.5551.