Nur Alifah. “ANALISIS KESALAHAN MENYELESAIKAN SOAL CERITA PADA POKOK BAHASAN SISTEM PERSAMAAN LINEAR : Analysis of Error Completing Story Problems in The System of Linear Equations”. Uniqbu Journal of Exact Sciences 2, no. 2 (September 5, 2021): 45–54. Accessed October 21, 2021. https://ejournal-uniqbu.ac.id/index.php/ujes/article/view/151.