Sari Ningrum K, Roshayanti F, Wuryandini E. PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR MATEMATIKA KELAS IV SDN REJOSARI 01. didaktik [Internet]. 2023Jul.4 [cited 2026Oct.28];9(2):4371 -4379. Available from: http://www.journal.stkipsubang.ac.id/index.php/didaktik/article/view/1265