Ghouat, M, A. Haddout, and M. Benhadou. 2021. “Impact of Industry 4.0 Concept on the Levers of Lean Manufacturing Approach in Manufacturing Industries”. International Journal of Automotive and Mechanical Engineering 18 (1), 8523 -. https://doi.org/10.15282/ijame.18.1.2021.11.0646.