1
bachelorThesis
Published in 2017
Repository Repositorio Escuela Superior Politécnica del Litoral
2
bachelorThesis
Published in 1999
Repository Repositorio Universidad de Cuenca
3
article
Published in 2010
Repository Repositorio Escuela Superior Politécnica del Litoral
4
bachelorThesis
Published in 1996
Repository Repositorio Universidad Técnica Particular de Loja