FADHILA AGUSSYA; DEWI YULIANA FITRI; HAMDUNAH. PENGEMBANGAN MODUL PROBLEM BASED LEARNING PADA MATERI SISTEM PERSAMAAN LINIER DUA VARIABEL. Pedagogy: Jurnal Pendidikan Matematika, [S. l.], v. 10, n. 4, p. 2134–2147, 2025. DOI: 10.30605/pedagogy.v10i4.7353. Disponível em: https://e-journal.my.id/pedagogy/article/view/7353. Acesso em: 3 dec. 2025.