ANGGRENI, D.; BUSRAH, Z.; GUSNIWATI. DIAGNOSIS KESULITAN BELAJAR MATEMATIKA MATERI RELASI DAN FUNGSI PADA SISWA MTS KELAS VIII. Pi: Mathematics Education Journal, [S. l.], v. 5, n. 1, p. 1–6, 2022. DOI: 10.21067/pmej.v5i1.5282. Disponível em: https://ejournal.unikama.ac.id/index.php/pmej/article/view/5282. Acesso em: 5 may. 2024.