Pakpahan, Anni Ruthanna, Benjamin Simamora, and Injen Pardamean Butarbutar. “Pengaruh Disiplin Belajar Dan Lingkungan Belajar Terhadap Hasil Belajar Mata Pelajaran IPS Siswa Kelas VII”. PIJAR: Jurnal Pendidikan dan Pengajaran 4, no. 1 (November 24, 2025): 155–166. Accessed July 26, 2026. https://www.putrapublisher.org/index.php/pijar/article/view/1142.