Nurhalin Y, Effendi KNS. Kemampuan Penalaran Matematis Siswa SMP pada Materi Sistem Persamaan Linear Dua Variabel. educatio [Internet]. 2022 Mar. 5 [cited 2025 Jun. 16];8(1):180-92. Available from: https://www.ejournal.unma.ac.id/index.php/educatio/article/view/1957