Safitri DT, Muzaki A, Kurniawan A. Penerapan Model Pembelajaran Problem Based Learning dalam Upaya Meningkatkan Pemahaman Konsep dan Minat Belajar Matematika Siswa Kelas XI IPS di SMAN 1 Sambelia. J.khd [Internet]. 2024 Jul. 31 [cited 2025 Jul. 27];1(1):26-40. Available from: https://institutpermatamandalika.com/index.php/khd/article/view/103