Evi Sriulina Sihotang, Janwar Tambunan, Minar Trisnawati Lumbantobing. PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) TERHADAP HASIL BELAJAR IPAS SISWA KELAS III SD NEGERI 091608 SINAKSAK. PNJ [Internet]. 2026 Jan. 12 [cited 2026 Feb. 6];4(1):173-8. Available from: https://jurnal.migascentral.com/index.php/pnj/article/view/431