VALIDITAS SMART BOOK IPAS SEKOLAH DASAR. Jurnal Cahaya Edukasi, [S. l.], v. 3, n. 3, p. 38–42, 2026. DOI: 10.63863/jce.v3i3.423. Disponível em: https://jurnalcahayaedukasi.com/index.php/jce/article/view/423. Acesso em: 16 oct. 2026.