Estupiñan-Roa, Nelly. “Theoretical Approach to College Dropout, Retention and Graduation from the Ideas of Vincent Tinto”. Mundo FESC Journal 11, no. S2 (September 1, 2021): 300–314. Accessed November 13, 2026. https://www.fesc.edu.co/Revistas/OJS/index.php/mundofesc/article/view/980.