1
book
Published in 2006
Repository Repositorio Universidad Politécnica Salesiana
2
book
Published in 2006
Repository Repositorio Universidad Politécnica Salesiana
3
bachelorThesis
Published in 2008
Repository Repositorio Universidad Nacional de Loja
4
bachelorThesis
Published in 2005
Repository Repositorio Escuela Superior Politécnica del Litoral