Nurul Lailatul Qodriah, Asep Samsudin. KEMAMPUAN BERPIKIR KRITIS KONSEP MATEMATIKA MELALUI MODEL PROBLEM BASED LEARNING SISWA SEKOLAH DASAR KELAS 2. didaktik [Internet]. 2023Oct.2 [cited 2026Oct.5];9(04):2568 -2575. Available from: https://journal.stkipsubang.ac.id/index.php/didaktik/article/view/1840