M. Ghouat, A. Haddout, and M. Benhadou, “Impact of Industry 4.0 Concept on the Levers of Lean Manufacturing Approach in Manufacturing Industries”, Int. J. Automot. Mech. Eng., vol. 18, no. 1, pp. 8523 – 8530, Mar. 2021, doi: 10.15282/ijame.18.1.2021.11.0646.