Kurniasih, Enggar, et al. “Pengaruh Penggunaan Model Problem Based Learning Terhadap Hasil Belajar Matematis Peserta Didik Kelas V Sekolah Dasar”. Innovative: Journal Of Social Science Research, vol. 4, no. 2, Apr. 2024, pp. 8684-9, doi:10.31004/innovative.v4i2.9963.