Yusueli Hulu. Upaya Meningkatkan Hasil Belajar Matematika Siswa melalui Model Pembelajaran Problem Based Learning (PBL) terhadap Siswa Kelas VII SMPN 3 Boronadu. JERKIN [Internet]. 2024 Feb. 5 [cited 2026 Apr. 19];2(3):257-69. Available from: https://jerkin.org/index.php/jerkin/article/view/262