1
book
Published in 2009
Repository Repositorio Universidad Politécnica Salesiana
2
book
Published in 2017
Repository Repositorio Universidad Estatal Península de Santa Elena
3
book
Published in 2008
Repository Repositorio Universidad Técnica del Norte
5
book
Published in 2016
Repository Repositorio Universidad Católica de Cuenca
6
book
by Araque Arellano, Miguel; Avilés Sacoto, Estefanía; Castro Salvador, Pamela; Vásconez Cruz, Michelle; Álvarez Pulupa, Diana; Cuarán Sarzosa, Freddy; García Tumipamba, Diana
Published in 2018
Repository Repositorio Universidad Politécnica Salesiana
7
book
Published in 2022
Repository Repositorio Universidad Técnica del Norte
8
book
Published in 2001
Repository Repositorio SENESCYT
9
book
Published in 2003
Repository Repositorio Universidad Andina Simón Bolivar
10
book
Published in 1899
Repository Repositorio Biblioteca Digital CCE
11
book
Published in 1899
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
12
book
Published in 2023
Repository Repositorio Universidad Andina Simón Bolivar
13
book
by Imbaquingo Esparza, Daisy Elizabeth; Granda Gudiño, Pedro David; Ortega Bustamante, Cosme Macarthur; Guevara Vega, Cathy Pamela; Pusdá Chulde, Marco Remigio
Published in 2017
Repository Repositorio Universidad Técnica del Norte