Anaperta M, Helendra H. VALIDITAS HANDOUT FISIKA DASAR BERBASSIS KETERAMPILAN BERPIKIR KRITIS DALAM STRATEGI PEMBELAJARAN PROBLEM BASED LEARNING DI STKIP PGRI SUMATERA BARAT. PROSIDING SNF [Internet]. 2016Oct.30 [cited 2024Apr.19];50:SNF2016-RND. Available from: https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/3946