LAILY MUFIDATUZ ZAKIYAH, 126204212150 and MUSRIKAH, 197909102006042001 (2025) PENGARUH MODEL PROBLEM BASED LEARNING (PBL) TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS PESERTA DIDIK KELAS VII MTSN 2 BLITAR. [ Skripsi ]