Harahap, Nahdah Faizah, and Elvi Mailani. “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 14, no. 2 (December 10, 2023): 39–52. Accessed May 20, 2025. https://jurnal.unimed.ac.id/2012/index.php/handayani/article/view/47398.