1
book
Published in 2015
Repository Repositorio Universidad Politécnica Salesiana
2
book
Published in 2015
Repository Repositorio Universidad Politécnica Salesiana
3
book
Published in 2015
Repository Repositorio Universidad Técnica de Machala
4
book
Published in 2001
Repository Repositorio SENESCYT
5
book
by Chimarro Cumbal, Juan C.; Cué García, Jorge L.; Arcos Unigarro, Carlos R.; Paredes Rodríguez, Hugo O.
Published in 2023
Repository Repositorio Universidad Técnica del Norte
6
book
Published in 1985
Repository Repositorio SENESCYT