H. F. B. Tadeu and J. T. M. Silva, “Determinants of Productivity in Brazil: an empyrical analysis of the period 1996-2020”, ijaers, vol. 8, no. 3, Mar. 2021, Accessed: Nov. 24, 2024. [Online]. Available: https://journal-repository.com/index.php/ijaers/article/view/3397