SIAGIAN, Suryana Damayanti Veronica. The Effect of Work Discipline and Motivation on Employee Performance at the Sinabung Hills Berastagi Hotel. Jurnal Online Mahasiswa, [S. l.], v. 1, n. 2, 2023. Disponível em: http://jom.poltekparmedan.ac.id/index.php/jomph/article/view/29. Acesso em: 19 may. 2024.