Ruth Stephani Pukka Martuani Sinaga, Yanti Arasi Sidabutar, Masni Veronika Situmorang. PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR IPA SISWA KELAS IV SD NEGERI 122345 PEMATANGSIANTAR. P3JI [Internet]. 2025 Nov. 30 [cited 2026 Jul. 21];3(4):292-9. Available from: https://jurnal.migascentral.com/index.php/p3ji/article/view/410