INDRIYANI, Ratih; TASWADI; SOBANDI, Bandi. Analysis of Cognitive Development Theory by Jean Piaget on Color Games on Early Childhood Development. EduLine: Journal of Education and Learning Innovation, [S. l.], v. 4, n. 4, p. 504–511, 2024. DOI: 10.35877/454RI.eduline3068. Disponível em: https://jurnal.ahmar.id/index.php/eduline/article/view/3068. Acesso em: 2 may. 2026.