1.
Azizi S, Simanjuntak F, Siregar PS. Teachers’ Efforts to Improve Students’ Learning Outcomes in Islamic Education through the Group Investigation Model at SD Negeri 084094 Sibolga. jppg [Internet]. 2023 Feb. 10 [cited 2025 Feb. 23];1(1):112-9. Available from: https://journal.ar-raniry.ac.id/ppg/article/view/6651