LEDI ROSINTHA SARAH SIMANJUNTAK; JANWAR TAMBUNAN; DESI SIJABAT. 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), [S. l.], v. 1, n. 4, p. 114–121, 2023. Disponível em: https://jurnal.migascentral.com/index.php/p3ji/article/view/127. Acesso em: 20 apr. 2026.