1
bachelorThesis
by Baquerizo De la A, Jenny; Bastidas Riofrio, Lorena; Jimenez Garzón, Paola; Rigail, Alberto, Director
Published in 1999
Repository Repositorio Escuela Superior Politécnica del Litoral
2
article
by Baquerizo De La A, Jenny; Bastidas Riofrio, Lorena; Garzon Jimenez, Paola; Rigail Cedeño, Alberto
Published in 2009
Repository Repositorio Escuela Superior Politécnica del Litoral