Karmiati, Elisa, Ahmad Muzaki, and Sabrun Sabrun. “Peningkatan Pemahaman Konsep Matematis Melalui Model Kooperatif Tipe Pair Check Pada Pertidaksamaan Linier Dua Variabel”. Empiricism Journal 7, no. 2 (June 27, 2026): 1590–1599. Accessed July 25, 2026. https://journal-center.litpam.com/index.php/empiricism/article/view/5731.