Shalikhah, Maratu. “ANALISIS KESULITAN SISWA SMP NEGERI 3 PLERET PADA MATERI ARITMATIKA SOSIAL”. Academy of Education Journal 10, no. 01 (January 7, 2019): 44-54. Accessed July 3, 2024. https://jurnal.ucy.ac.id/index.php/fkip/article/view/270.