Borja Santillán M, Manola Zeballos J, Vásquez Portugal R. The socio-economic characterization of the student’s career at the university of Guayaquil leveling. Revista UG [Internet]. 2018 Jan. 8 [cited 2026 May 8];126(1):1-14. Available from: https://revistas.ug.edu.ec/index.php/rug/article/view/288