NIYARCI; YULI KURNIAWATI SUGIYO PRANOTO; SUNAWAN. The Effect of Project-Based Learning Model on Problem Solving Skills in Coastal PAUD Institutions. JPUD - Jurnal Pendidikan Usia Dini, [S. l.], v. 19, n. 1, p. 28–36, 2025. DOI: 10.21009/jpud.v19i1.50433. Disponível em: https://journal.unj.ac.id/unj/index.php/jpud/article/view/50433. Acesso em: 19 may. 2026.