CAHYANI, Ari; ADITYA, Tb Sandi; MUTIARAWATI, Ira; MEIDAYATI, Memi. Analisis Efektivitas Sistem Absensi Berbasis QR Code Dalam Meningkatkan Kehadiran Siswa di SMP Negeri 22 Kota Serang. QISTINA: Jurnal Multidisiplin Indonesia, [S. l.], v. 4, n. 2, p. 581–590, 2025. DOI: 10.57235/qistina.v4i2.6956. Disponível em: https://rayyanjurnal.com/index.php/qistina/article/view/6956. Acesso em: 10 jun. 2026.