Benitez, Guilherme, Mateus Ferreira Lima, Laura Lerman, and Alejandro Frank. “Understanding Industry 4.0: Definitions and Insights from a Cognitive Map Analysis”. Brazilian Journal of Operations & Production Management 16, no. 2 (May 25, 2019): 192-200. Accessed March 4, 2021. https://bjopm.emnuvens.com.br/bjopm/article/view/677.