MAFTUTAH, D.; JANNAH, S. R.; UTAMA, F. Fingerboard Media Development Calculate for the Cognitive Improvement of Teachers at RA Muslimat NU 1 Tulus Rejo. Journal of Childhood Development, [S. l.], v. 1, n. 1, p. 31–45, 2021. DOI: 10.25217/jcd.v1i1.1485. Disponível em: https://journal.iaimnumetrolampung.ac.id/index.php/jcd/article/view/1485. Acesso em: 27 feb. 2026.