Asmara DN, Saputra R, Sari M. Pengaruh Penerapan Model Problembased Learning (Pbl) Terhadap Hasil Belajar Matematika Siswa Kelas IV SD Negeri 09 Sitiung. Innovative [Internet]. 2024 Oct. 9 [cited 2026 Apr. 20];4(5):6359-70. Available from: https://j-innovative.org/index.php/Innovative/article/view/15707