[1]
Yuni Elisa Sitanggang, Hetdy Sitio, and Janwar Tambunan, “PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) TERHADAP HASIL BELAJAR MATEMATIKA SISWA KELAS V UPTD SD NEGERI 122345 PEMATANGSIANTAR”, PNJ, vol. 2, no. 4, pp. 42–52, Oct. 2024.