ROHMAN, S.; IRMAWATI, I.; AL AYUBI, S. PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) PADA MATERI SISTEM PERTIDAKSAMAAN LINEAR DUA VARIABEL. STRATEGY : Jurnal Inovasi Strategi dan Model Pembelajaran, [S. l.], v. 6, n. 2, p. 267-275, 2026. DOI: 10.51878/strategi.v6i2.9538. Disponível em: https://jurnalp4i.com/index.php/strategi/article/view/9538. Acesso em: 13 feb. 2026.