UMIYATI, Wiwit; ISNANINGSIH, Anti. Stimulasi Peningkatan Kemampuan Problem Solving pada Anak Usia 4-5 Tahun melaui Media Busy Jar. Journal of Education Research, [S. l.], v. 5, n. 3, p. 3409–3415, 2024. DOI: 10.37985/jer.v5i3.1449. Disponível em: https://mail.jer.or.id/index.php/jer/article/view/1449. Acesso em: 24 aug. 2025.