ARDILATUS SHOLEHAH; SHOFIA HIDAYAH; SUHARTONO. Improving Mathematics Learning Outcomes Using the Problem Based Learning Model on Fu nction Material in Grade XI. AL-MIKRAJ Jurnal Studi Islam dan Humaniora (E-ISSN 2745-4584), [S. l.], v. 6, n. 1, p. 1889–1898, 2026. DOI: 10.37680/almikraj.v6i1.9093. Disponível em: https://ejournal.insuriponorogo.ac.id/index.php/almikraj/article/view/9093. Acesso em: 3 may. 2026.