Azofeifa-Bolaños, José Bernal , translator. “Conceptual Evolution and Importance of Andragogy towards the Scope Optimization of University Academic Rural Development Programs and Projects”. Revista Electrónica Educare, vol. 21, no. 1, Jan. 2017, pp. 1-16, https://doi.org/10.15359/ree.21-1.23.