Ledi Rosintha Sarah Simanjuntak, Janwar Tambunan and Desi Sijabat (2023) “PENGARUH MODEL PROBLEM BASED LEARNING (PBL) TERHADAP HASIL BELAJAR SISWA PADA MATERI IPA DI KELAS V SD SWASTA ADVENT JL.BAHBIAK NO.1, SIGULANG-GULANG, PEMATANG SIANTAR”, Pengembangan Penelitian Pengabdian Jurnal Indonesia (P3JI), 1(4), pp. 114–121. Available at: https://jurnal.migascentral.com/index.php/p3ji/article/view/127 (Accessed: 20 April 2026).