Betti Sinaga. “PENGARUH LINGKUNGAN TERHADAP PRESTASI BELAJAR SISWA KELAS VI SD NEGERI 125138 PEMATANGSIANTAR”. Pande Nami Jurnal (PNJ) 2, no. 1 (January 31, 2024): 53–62. Accessed July 21, 2026. https://jurnal.migascentral.com/index.php/pnj/article/view/231.