Reid García YC, Poveda Najar MN, Mahecha Vásquez LM, Caballero Olivares JE. Social Mobility of Graduates in a Distance Learning University: a Longitudinal Study of the Tendencies in the Universidad Nacional Abierta y a Distancia [Internet]. Colombia,CO: Sello Editorial UNAD; 2022 [cited 2026 Nov. 2]. (Administrative, Accounting, Economic and Business). Available from: https://libros.unad.edu.co/index.php/selloeditorial/catalog/book/186