1

book
Published in 1996
Repository Repositorio Universidad Politécnica Salesiana
3

article
Published in 2017
Repository Repositorio Universidad Andina Simón Bolivar
10

book
Published in 2020
Repository Repositorio Universidad Andina Simón Bolivar
13

bachelorThesis
Published in 1978
Repository Repositorio Universidad de Cuenca
14

article
Published in 2012
Repository Repositorio Universidad Politécnica Salesiana
15

book
Published in 2016
Repository Repositorio Universidad Politécnica Salesiana
18

20

bachelorThesis
Published in 1981
Repository Repositorio Universidad de Cuenca