FAUZIAH, F. H.; SUPARDI U.S, S. U. Pengaruh Model Problem Based Learning terhadap Hasil Belajar Matematika Siswa Kelas IX SMP Negeri 243 Jakarta. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 4, n. 2, p. 5419–5424, 2025. DOI: 10.31004/riggs.v4i2.1448. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/1448. Acesso em: 26 apr. 2026.