Meilina, Duwi, Arif ismunandar, Rinovian R, Sabil Mokodenseho, and Muhammad Haris. 2022. “Utilization of Used Cardboard Waste As a Learning Resource to Improve Early Childhood Fine Motor Development”. Bulletin of Early Childhood 1 (2):102-9. https://doi.org/10.51278/bec.v1i2.612.