SIBURIAN, Mutiara S.; PIO, Riane J.; SAMBUL, Sofia A. P. Pengaruh Beban Kerja dan Lingkungan Kerja Terhadap Kinerja Karyawan Kantor Pelayanan Pajak Pratama Balige Sumatera Utara. Productivity, [S. l.], v. 2, n. 5, p. 370–377, 2021. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/35853. Acesso em: 24 dec. 2025.