Jovanović, Radmila, Milan Delić, Bato Kamberović, Srđan Vulanović, and Vladan Radlovački. “Planning the Use of Lean Six Sigma As a Framework for Blood Bank Management Improvements”. International Journal of Industrial Engineering and Management 4, no. 4 (December 30, 2013): 237–244. Accessed July 7, 2024. https://ijiemjournal.uns.ac.rs/index.php/ijiem/article/view/287.