D’Elia, Vanesa, and Gustavo Ferro. “Efficiency In Public Higher Education: A Stochastic Frontier Analysis Considering Heterogeneity”. Economic Analysis Review 36, no. 2 (November 15, 2021): 21-51. Accessed May 4, 2024. https://www.rae-ear.org/index.php/rae/article/view/704.