SRI MULIYANI. Pengaruh Human Relation (Hubungan Antar Manusia) dan Kondisi Lingkungan Kerja Fisik Terhadap Etos Kerja Pegawai Pada PDAM Tirtanadi Sumatera Utara Cabang Cemara Medan . Journal Economy and Currency Study (JECS), [S. l.], v. 1, n. 1, p. 31–38, 2021. Disponível em: https://pusdikra-publishing.com/index.php/jecs/article/view/86. Acesso em: 2 aug. 2025.