Rohana, Khairi Murdy, and Henri Yanto Daulay. “ANALISIS KESULITAN BELAJAR SISWA PADA MATA PELAJARAN EKONOMI KELAS XI IPS”. Jurnal Agregat : Journal of Economic Education and Economics Business 2, no. 2 (December 23, 2021): 39-46. Accessed May 19, 2024. http://ejournal.stkipaisyiyahriau.ac.id/index.php/agregat/article/view/275.