ULA, Khoirotul; HASIBUAN, Rachma; IZZATI, Umi Anugerah. Kemampuan Mengenal Angka Anak Usia 4-5 Tahun. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, [S. l.], v. 7, n. 4, p. 3955–3962, 2023. DOI: 10.31004/obsesi.v7i4.4918. Disponível em: https://obsesi.or.id/index.php/obsesi/article/view/4918. Acesso em: 17 oct. 2026.