Talenta Sahputri Nababan, Lisbet Novianti Sihombing, and Minar Trisnawati Lumbantobing. 2024. “PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR IPA SISWA KELAS V UPTD SD NEGERI 122351 PEMANTANGSIANTAR”. Pengembangan Penelitian Pengabdian Jurnal Indonesia (P3JI) 2 (4):75-86. https://jurnal.migascentral.com/index.php/p3ji/article/view/282.