Ruhyana, Ruhyana. “Analisis Kesulitan Siswa Dalam Pemecahan Masalah Matematika”. Jurnal Computech & Bisnis (e-journal) 10, no. 2 (December 15, 2016): 106–118. Accessed December 22, 2024. https://jurnal.stmik-mi.ac.id/index.php/jcb/article/view/149.