VERONICA, Nina; YUNIANTI, Sofi; SAIDA, Naili; HARUN, Harun; ROHMAN, Arif. The Analysis of QR Code-Based Books to Develop Cognitive Aspects of 5-6 Year Old Children. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, [S. l.], v. 7, n. 4, p. 4690–4698, 2023. DOI: 10.31004/obsesi.v7i4.4578. Disponível em: https://obsesi.or.id/index.php/obsesi/article/view/4578. Acesso em: 21 apr. 2026.