3
book
Published in 1933
Repository Repositorio Biblioteca Digital CCE
4
book
Published in 2003
Repository Repositorio Universidad Andina Simón Bolivar
5
book
Published in 2015
Repository Repositorio Universidad Politécnica Salesiana
6
book
Published in 2015
Repository Repositorio Universidad Politécnica Salesiana
7
book
Published in 1999
Repository Repositorio Universidad Politécnica Salesiana
8
book
Published in 2002
Repository Repositorio Universidad Politécnica Salesiana
9
book
Published in 1939
Repository Repositorio Biblioteca Digital CCE
10
book
Published in 2002
Repository Repositorio Universidad Politécnica Salesiana
11
book
Published in 2002
Repository Repositorio Universidad Politécnica Salesiana
12
book
Published in 2018
Repository Repositorio Universidad Politécnica Salesiana
13
book
by Gómez Terán, Marcelo; Echeverría Almeida, José; Naranjo Toro, Miguel Edmundo; Oviedo Pantoja, Winston Germánico
Published in 2018
Repository Repositorio Universidad Técnica del Norte
14
book
Published in 2011
Repository Repositorio Instituto de Altos Estudios Nacionales