SRIWIJAYATI, A.; RAHMA FEBRIYANTI; M. ULUL ALBAB. Pengaruh Model Pembelajaran Berbasis Masalah terhadap Kemampuan Berpikir Kritis Siswa SMP Materi Sistem Persamaan Linear Dua Variabel: The Effect of Problem-Based Learning Model on the Critical Thinking Ability of Junior High School Students Two-Variable Linear Equation System Material. Discovery : Jurnal Ilmu Pengetahuan, [S. l.], v. 9, n. 2, p. 122–130, 2024. DOI: 10.33752/discovery.v9i2.7088. Disponível em: https://ejournal.unhasy.ac.id/index.php/discovery/article/view/7088. Acesso em: 10 mar. 2025.