Oktavia S, Imamuddin M, Syafira N, Rahmi F, Iqbal M. ANALISIS FAKTOR PENYEBAB KESULITAN BELAJAR MATEMATIKA DI KELAS VII MTS MUHAMMADIYAH TANJUNG AMPALU. KOLONI [Internet]. 2022 Dec. 30 [cited 2024 May 3];1(4):476-82. Available from: https://koloni.or.id/index.php/koloni/article/view/349