Fauziah, F. H., and S. U. Supardi U.S. “Pengaruh Model Problem Based Learning Terhadap Hasil Belajar Matematika Siswa Kelas IX SMP Negeri 243 Jakarta”. RIGGS: Journal of Artificial Intelligence and Digital Business, vol. 4, no. 2, July 2025, pp. 5419-24, doi:10.31004/riggs.v4i2.1448.