1.
Sari NI, Firdaus FM, Jabar CSA. Peningkatan Hasil Belajar Matematika Kelas VI Menggunakan Model Problem Based Learning (PBL) Pada Materi Bangun Ruang. JURAGAN [Internet]. 2026 Jul. 29 [cited 2026 Sep. 29];3(2):5633-42. Available from: https://teewanjournal.com/index.php/juragan/article/view/3614