SARI, Putri Mustika Puspa; FAUZIYAH, Nur; HUDA, Syaiful. The Effect of the Gamification Integration Problem Based Learning (PBL) Model on Mathematical Reasoning Ability and Learning Motivation Students of SMP Negeri 9 Gresik. Postulat : Jurnal Inovasi Pendidikan Matematika, [S. l.], v. 7, n. 1, p. 70–81, 2026. DOI: 10.30587/postulat.v7i1.12102. Disponível em: https://journal.umg.ac.id/index.php/postulat/article/view/12102. Acesso em: 31 jul. 2026.