ANAM, A. B.; MARSITIN, R.; SESANTI, N. R. PENERAPAN PENDEKATAN PROBLEM SOLVING MODEL POLYA UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA DI SMP MODERN AL-RIFA’IE MALANG TAHUN PELAJARAN 2020/2021. Pi: Mathematics Education Journal, [S. l.], v. 4, n. 2, p. 77–84, 2021. DOI: 10.21067/pmej.v4i2.5377. Disponível em: https://ejournal.unikama.ac.id/index.php/pmej/article/view/5377. Acesso em: 23 may. 2024.