Ibrahim, Ibrahim. “PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK MATERI SISTEM PERSAMAAN LINEAR TIGA VARIABEL BERBASIS PENDEKATAN SAINTIFIK”. Jurnal Ilmiah Pendidikan Matematika Al Qalasadi 5, no. 1 (July 2, 2021): 62-71. Accessed April 21, 2026. https://dev-journal.iainlangsa.ac.id/index.php/qalasadi/article/view/2743.