WIDYA, W. R.; SANIPAR; URIANTO SIHOMBING; WELSI BURA SALEPPANG; DIANA SARI HARAHAP. PENGARUH LINGKUNGAN KELUARGA, LINGKUNGAN KAMPUS, DAN LINGKUNGAN SOSIAL TERHADAP MOTIVASI BELAJAR MAHASISWA ITEBA. JURNAL SINTAK, [S. l.], v. 1, n. 1, p. 8–13, 2022. Disponível em: http://journal.iteba.ac.id/index.php/jurnalsintak/article/view/22. Acesso em: 7 may. 2024.