MANNAN, Nursita Hi; ALHADDAD, Idrus; HAMID, Ikram. PENERAPAN MODEL PROBLEM BASED LEARNING DALAM MENINGKATKAN KREATIVITAS MATEMATIS SISWA PADA MATERI BILANGAN BULAT. Delta-Pi: Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 7, n. 2, 2018. DOI: 10.33387/dpi.v7i2.1251. Disponível em: https://ejournal.unkhair.ac.id/index.php/deltapi/article/view/1251. Acesso em: 31 mei. 2026.