Hamnaliadin H. PENINGKATAN KEMAMPUAN BERPIKIR KRITIS SISWA MELALUI MODEL PROBLEM BASED LEARNING (PBL) TIPE EXAMPLE NON-EXAMPLE DALAM PEMBELAJARAN IPS. HT [Internet]. 2022Oct.25 [cited 2024Nov.21];1(12):1974-9. Available from: https://journal.ikopin.ac.id/index.php/humantech/article/view/2190