Ramirez-Zambrano, Ademir Alfredo, Francisco Justiniano Velasco-Arellanes, and José Ángel Vera-Noriega. “School Processes and Internal Efficiency: What Is the Relationship With the Academic Achievement in Mexican Vocational Schools?”. Education Policy Analysis Archives 23 (May 25, 2015): 53. Accessed June 28, 2022. https://epaa.asu.edu/index.php/epaa/article/view/1735.