Simorangkir, M. and Deliviana , E. 2026. The Efficacy of Project-Based Learning in Fostering Linguistic and Motor Development in Early Childhood. JPUD - Jurnal Pendidikan Usia Dini. 20, 1 (Apr. 2026), 66–73. DOI:https://doi.org/10.21009/jpud.v20i1.53931.