1
book
Published in 1954
Repository Repositorio Biblioteca Digital CCE
2
bachelorThesis
Published in 1994
Repository Repositorio Universidad de Cuenca
3
article
Published in 2023
Repository Repositorio Universidad Politécnica Salesiana
4
bachelorThesis
Published in 2023
Repository Repositorio Universidad Nacional de Chimborazo
5
bachelorThesis
Published in 2007
Repository Repositorio Universidad de las Fuerzas Armadas
6
article
Published in 2021
Repository Revista Anales