“Social mobility of graduates” (2022) in Reid García, Y. C. et al., Social Mobility of Graduates in a Distance Learning University: a Longitudinal Study of the Tendencies in the Universidad Nacional Abierta y a Distancia. Colombia,CO: Sello Editorial UNAD (Administrative, Accounting, Economic and Business), pp. 43–68. doi:10.22490/9789586518994.02.