Kos, Findy. “DISCOVERY LEARNING DAN PEMAHAMAN KONSEP PENJUMLAHAN SISWA KELAS I”. Journal Education and Government Wiyata 4, no. 3 (Agustus 31, 2026): 1005–1014. Diakses November 5, 2026. https://journal.wiyatapublisher.or.id/index.php/e-gov/article/view/503.