Winarti W. IMPLEMENTASI PENDEKATAN SAINTIFIK DAN METODE PROBLEM BASED LEARNING DAN DAMPAKNYA TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA. JPPI [Internet]. 2015 Apr. 6 [cited 2024 May 3];9(3). Available from: https://ejournal.unikama.ac.id/index.php/JPPI/article/view/1678