J. F. P. Xavier, M. R. Brochado, and M. C. M. da N. Pacheco, “Innovation as a cross-cutting Competency in transforming Grey Literature as a tool in Training for Engineers”, ijaers, vol. 6, no. 9, Oct. 2019, Accessed: Jul. 03, 2024. [Online]. Available: https://journal-repository.com/index.php/ijaers/article/view/90