Asmara, D. N., Saputra, R., & Sari, M. (2024). Pengaruh Penerapan Model Problembased Learning (Pbl) Terhadap Hasil Belajar Matematika Siswa Kelas IV SD Negeri 09 Sitiung. Innovative: Journal Of Social Science Research, 4(5), 6359–6370. https://doi.org/10.31004/innovative.v4i5.15707