NAFIQOH, Heni. Experimental methods to enhance problem - solving skills in early childhood . Indonesian Research Journal in Education |IRJE|, [S. l.], v. 9, n. 02, p. 672–681, 2025. DOI: 10.22437/irje.v9i02.44182. Disponível em: https://www.online-journal.unja.ac.id/irje/article/view/44182. Acesso em: 16 apr. 2026.