Iqbal, Muhammad, Aniswita Aniswita, and Sonny Hutabarat. “ANALISIS KESULITAN BELAJAR MATEMATIKA SISWA KELAS IX PADA MATERI PERSAMAAN KUADRAT DI SMP NEGERI 3 TUALANG”. KOLONI 1, no. 4 (December 30, 2022): 570–580. Accessed April 17, 2026. https://koloni.or.id/index.php/koloni/article/view/371.