2
book
Published in 1993
Repository Repositorio Universidad Politécnica Salesiana
3
book
Published in 1993
Repository Repositorio Universidad Politécnica Salesiana
5
article
by Frank, Erwin
Published in 1991
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
6
bachelorThesis
Published in 2015
Repository Repositorio SEK
7
bachelorThesis
Published in 2019
Repository Repositorio Instituto Tecnológico Bolivariano
8
bachelorThesis
Published in 2019
Repository Repositorio Instituto Tecnológico Bolivariano
9
bachelorThesis
Published in 2015
Repository Repositorio Universidad Tecnológica Equinoccial
10
bachelorThesis
Published in 2011
Repository Repositorio Universidad Estatal Península de Santa Elena
11
bachelorThesis
Published in 2012
Repository Repositorio Universidad Estatal Península de Santa Elena
12
bachelorThesis
Published in 2013
Repository Repositorio Universidad Estatal Península de Santa Elena
13
masterThesis
Published in 2009
Repository Repositorio Universidad Andina Simón Bolivar
14
doctoralThesis
Published in 2011
Repository Repositorio Universidad Andina Simón Bolivar
15
bachelorThesis
Published in 2021
Repository Repositorio Universidad Estatal Península de Santa Elena
16
bachelorThesis
Published in 2022
Repository Repositorio Escuela Politécnica Nacional
17
bachelorThesis
Published in 2021
Repository Repositorio Universidad Católica de Santiago de Guayaquil
18
bachelorThesis
Published in 2018
Repository Repositorio Universidad Católica de Santiago de Guayaquil
19
bachelorThesis
Published in 2014
Repository Repositorio Universidad Católica de Cuenca
20
bachelorThesis
Published in 2015
Repository Repositorio Universidad Internacional SEK Ecuador