Project-Based Learning to Improve Problem Solving Skills in Early Childhood. JURNAL RISET PENDIDIKAN DAN PENGAJARAN, [S. l.], v. 4, n. 1, p. 101–111, 2025. DOI: 10.55047/jrpp.v4i1.980. Disponível em: https://transpublika.co.id/ojs/index.php/JRPP/article/view/980. Acesso em: 5 mar. 2026.