Moh. Zain, Mustamin Idris, and Muh. Rizal. “ANALISIS PEMECAHAN MASALAH ALJABAR SISWA KELAS VIII SMP NEGERI 3 PALU”. Jurnal Elektronik Pendidikan Matematika Tadulako, vol. 3, no. 3, Mar. 2016, pp. 358-72, https://jurnalfkipuntad.com/index.php/jpmt/article/view/293.