JUDITH, E.; SYAWALUDDIN, S.; PRAMITA, E. H. .; GOH, T. S. . Pengaruh Stres Kerja Dan Etos Kerja Terhadap Produktivitas Kerja Karyawan PT. Greenex Sumatera Mandiri Medan. Management Studies and Entrepreneurship Journal (MSEJ), [S. l.], v. 3, n. 5, p. 2636–2644, 2022. DOI: 10.37385/msej.v3i4.1002. Disponível em: https://yrpipku.com/journal/index.php/msej/article/view/1002. Acesso em: 8 jul. 2025.