Mastika Yasa, P.A.E. and Bhoke, W. 2019. PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR MATEMATIKA PADA SISWA SD. Journal of Education Technology. 2, 2 (Aug. 2019), 70–75. DOI:https://doi.org/10.23887/jet.v2i2.16184.