GESTI, Sugesti Rahayu; IMAMAH AH, Nurul; AGUSTINA, Lady. Pengembangan Modul Ajar Sistem Pesamaan Linear Dua Variabel Berbasis Problem Solving. Pedagogy: Jurnal Pendidikan Matematika, [S. l.], v. 10, n. 2, p. 269–281, 2025. DOI: 10.30605/pedagogy.v10i2.5840. Disponível em: https://e-journal.my.id/pedagogy/article/view/5840. Acesso em: 30 jul. 2025.