Anggreni, Dewi, Zulfiqar Busrah, and Gusniwati. “DIAGNOSIS KESULITAN BELAJAR MATEMATIKA MATERI RELASI DAN FUNGSI PADA SISWA MTS KELAS VIII”. Pi: Mathematics Education Journal 5, no. 1 (April 30, 2022): 1–6. Accessed June 16, 2024. https://ejournal.unikama.ac.id/index.php/pmej/article/view/5282.