Development of Quartet Game Card Media Based on QR Code to Improve Students’ Indonesian Understanding at Elementary School. JIP Jurnal Ilmiah PGMI, [S. l.], v. 11, n. 1, p. 13–26, 2025. DOI: 10.19109/jip.v11i1.28615. Disponível em: https://jurnal.radenfatah.ac.id/index.php/jip/article/view/28615.. Acesso em: 18 aug. 2025.