Pengembangan Pop-Up Book untuk Pengenalan Lambang Bilangan 1–10 pada Anak Usia 4–5 Tahun. NUSA: Journal of New Understanding for Early Childhood Education, [S. l.], v. 1, n. 1, p. 1–7, 2027. DOI: 10.67710/nusa.v1i1.75. Disponível em: https://journal.globalresearchmedia.com/index.php/nusa/article/view/75. Acesso em: 11 nov. 2026.