IMANUELLIA DWI ANGGRAENI UTOMO, Natasha; ANUGERAH WATI, Sindy. Efektivitas Cheerful Number Machine terhadap Pemahaman Konsep Matematika Anak Usia Dini. Murhum : Jurnal Pendidikan Anak Usia Dini, [S. l.], v. 6, n. 1, p. 559–569, 2025. DOI: 10.37985/murhum.v6i1.1241. Disponível em: https://murhum.ppjpaud.org/index.php/murhum/article/view/1241. Acesso em: 7 oct. 2025.