1
other
Published in 2002
Repository Repositorio Escuela Superior Politécnica del Litoral
2
other
Published in 2002
Repository Repositorio Escuela Superior Politécnica del Litoral
3
other
Published in 2015
Repository Repositorio Universidad de Cuenca
4
other
Published in 2002
Repository Repositorio Escuela Superior Politécnica del Litoral
5
other
Published in 2015
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
6
other
Published in 2018
Repository Repositorio Universidad Andina Simón Bolivar
7
other
Published in 1903
Repository Repositorio Biblioteca Digital CCE
8
other
Published in 1903
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales