Aprianti, Desi, Purna Bayu Nugroho, and Venty Meilasari. “Analisis Kesulitan Siswa Kelas X Menyelesaikan Soal Cerita Materi Sistem Persamaan Linear Dua Variabel”. International Journal of Progressive Mathematics Education 2, no. 2 (December 30, 2022): 84–92. Accessed November 23, 2024. https://journal.uhamka.ac.id/index.php/ijopme/article/view/8898.