Senna, Pedro, Andreia Gomes, Aluisio Monteiro, and Denis Pinha. 2016. “STUDY ON TECHNIQUES AND TOOLS USED IN LEAN HEALTHCARE IMPLEMENTATION: A LITERATURE REVIEW”. Brazilian Journal of Operations & Production Management 13 (4), 406-20. https://doi.org/https://doi.org/10.14488/BJOPM.2016.v13.n4.a1.