1
bachelorThesis
Published in 2006
Repository Repositorio Escuela Superior Politécnica del Litoral
2
article
by Bermudez Triviño, Mariana Alexandra; Montalvo Holguin, Denisse Gisella; Romero Montoya, Maria Elena
Published in 2009
Repository Repositorio Escuela Superior Politécnica del Litoral