FERGIYANTI, Mira; MASJUDIN, Masjudin. PENGARUH PROBLEM BASED LEARNING (PBL) TERHADAP AKTIVITAS DAN HASIL BELAJAR SEGIEMPAT PADA SISWA KELAS VII SMPN. Media Pendidikan Matematika, [S. l.], v. 4, n. 1, p. 14–19, 2016. DOI: 10.33394/mpm.v4i1.119. Disponível em: https://e-journal3.undikma.ac.id/index.php/jmpm/article/view/119. Acesso em: 15 aug. 2025.