1
book
Published in 2015
Repository Repositorio Universidad Técnica de Machala
2
book
Published in 1992
Repository Repositorio Universidad Politécnica Salesiana
4
book
Published in 2013
Repository Repositorio Universidad Técnica del Norte
5
book
Published in 1942
Repository Repositorio Biblioteca Digital CCE
6
book
Published in 2015
Repository Repositorio Universidad Politécnica Salesiana
7
book
Published in 2015
Repository Repositorio Universidad Técnica de Machala
8
book
Published in 2022
Repository Repositorio Universidad Técnica Estatal de Quevedo
9
book
Published in 1897
Repository Repositorio Facultad Latinoamericana de Ciencias Sociales
10
book
Published in 2016
Repository Repositorio Universidad Politécnica Salesiana
12
book
Published in 1939
Repository Repositorio Biblioteca Digital CCE
14
book
Published in 1942
Repository Repositorio Biblioteca Digital CCE
16
book
Published in 2022
Repository Repositorio Universidad Politécnica Salesiana
17
book
by Araque Arellano, Miguel; Arias, Edwin; Vásconez, Michelle; Avilés, Estefanía; Cuarán, Freddy; García, Diana; Álvarez, Diana; Prehn, Claudia; Borja, Ximena; Valdiviezo, Jessica; Fernández, Graciela
Published in 2022
Repository Repositorio Universidad Politécnica Salesiana
19
book
Published in 1909
Repository Repositorio Biblioteca Digital CCE