HARAHAP, Nahdah Faizah; MAILANI, Elvi. PENGEMBANGAN E-LKPD BERBASIS QR-CODE MELALUI MODEL PROBLEM BASED LEARNING PADA MATERI BANGUN DATAR DI KELAS IV SEKOLAH DASAR. JURNAL HANDAYANI PGSD FIP UNIMED, [S. l.], v. 14, n. 2, p. 39–52, 2023. DOI: 10.24114/jh.v14i2.47398. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/handayani/article/view/47398. Acesso em: 20 may. 2025.