SAIFULLOH, S. Penentuan Tingkat Depresi Karyawan menggunakan Metode Certainty Factor. RESEARCH : Journal of Computer, Information System & Technology Management, [S. l.], v. 2, n. 1, p. 25–29, 2019. DOI: 10.25273/research.v2i1.4283. Disponível em: https://e-journal.unipma.ac.id/index.php/RESEARCH/article/view/4283. Acesso em: 10 may. 2025.