DEMAKI, Godwin Omafuru; IBRIGHADEMOR, Goddey. Human Resources Policies and Employees’ Attitude: A Study of Federal University of Petroleum Resources, Effurun, Delta State. Indikator: Jurnal Ilmiah Manajemen dan Bisnis, Jakarta, Indonesia, v. 7, n. 3, p. 1–12, 2023. DOI: 10.22441/indikator.v7i3.21202. Disponível em: https://publikasi.mercubuana.ac.id/index.php/indikator/article/view/21202. Acesso em: 3 jun. 2026.