Julvian Fredy Lineaus, Muh. Rizal, and Anggraini. “ANALISIS PEMECAHAN MASALAH SISTEM PERSAMAAN LINIER DUA VARIABEL KELAS X SMA NEGERI 1 BANAWA BERDASARKAN LANGKAH-LANGKAH POLYA”. Jurnal Elektronik Pendidikan Matematika Tadulako 3, no. 3 (March 20, 2016): 277-291. Accessed June 22, 2025. https://jurnalfkipuntad.com/index.php/jpmt/article/view/286.