@book{2130, author = {Bernal, Juan Bosco }, title = {Desafíos de la educación /}, publisher = {UDELAS,}, year = {2013.}, address = {Panamá :}, url = {https://isae.metabiblioteca.org/cgi-bin/koha/opac-retrieve-file.pl?id=ef95bf79200f0fece6dfcbf2782a3852} }