Niranty A, Irdiyansyah I, A Gani R. PENGARUH PENERAPAN MODEL PROBLEM BASED LEARNING BERBANTU MEDIA TANGRAM TERHADAP HASIL BELAJAR MATEMATIKA MATERI BANGUN DATAR. didaktik [Internet]. 2023Apr.18 [cited 2025Mar.15];9(1):763 -770. Available from: http://journal.stkipsubang.ac.id/index.php/didaktik/article/view/743