Teori Perkembangan Kognitif Piaget. Indonesian Journal of Education Research and Technology (IJERT), [S. l.], v. 4, n. 2, p. 18–19, 2024. DOI: 10.69503/ijert.v4i2.932. Disponível em: https://ejournal.ununtb.ac.id/index.php/ijert/article/view/932.. Acesso em: 20 mar. 2026.