USMAN, I.; ARDIYANA, M. Lean Hospital Management, Studi Empirik pada Layanan Gawat Darurat. Jurnal Manajemen Teori dan Terapan| Journal of Theoretical and Applied Management, [S. l.], v. 10, n. 3, p. 257–270, 2017. DOI: 10.20473/jmtt.v10i3.7089. Disponível em: https://e-journal.unair.ac.id/JMTT/article/view/7089. Acesso em: 7 jun. 2025.