NURAINI, N.; MALAWAT, M. S. . Pengaruh Pengawasan, Lingkungan Kerja dan Motivasi terhadap Etos Kerja Karyawan pada SPPBE PT Sumber Mutiara Lestari Kabupaten Batu Bara. SCIENTIFIC JOURNAL OF REFLECTION : Economic, Accounting, Management and Business, [S. l.], v. 9, n. 3, p. 1278-1285, 2026. DOI: 10.37481/sjr.v9i3.1555. Disponível em: https://ojspustek.org/index.php/SJR/article/view/1555. Acesso em: 7 oct. 2026.