BETTI SINAGA. PENGARUH LINGKUNGAN TERHADAP PRESTASI BELAJAR SISWA KELAS VI SD NEGERI 125138 PEMATANGSIANTAR. Pande Nami Jurnal (PNJ), [S. l.], v. 2, n. 1, p. 53–62, 2024. Disponível em: https://jurnal.migascentral.com/index.php/pnj/article/view/231. Acesso em: 20 apr. 2026.