Mastika Yasa PAE, Bhoke W. PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR MATEMATIKA PADA SISWA SD. J. Educ. Technol. [Internet]. 2019 Aug. 21 [cited 2024 Dec. 2];2(2):70-5. Available from: https://ejournal.undiksha.ac.id/index.php/JET/article/view/16184