Y. SIHOTANG, Widya; GIRSANG, Ermi; I.N. SILANGIT, Silka; A.F. DEPARI, Sania. Implementation of Lean Management for Covid-19 Patient Services at Hospitals in Deli Serdang. International Journal of Health and Pharmaceutical (IJHP), [S. l.], v. 3, n. 1, p. 55–62, 2022. DOI: 10.51601/ijhp.v3i1.119. Disponível em: https://ijhp.net/index.php/IJHP/article/view/119. Acesso em: 25 mar. 2026.