1
bachelorThesis
by Merchán Martínez, Grace Evelin; Araujo Chaguay, Sahyli Michelle; Salazar Coronel, Cinthya Vanessa
Published in 2009
Repository Repositorio Escuela Superior Politécnica del Litoral
2
article
by Merchán Martínez, Grace; Araujo Chaguay, Sahyli; Salazar Coronel, Cinthya; Álvarez Ordoñez, Felipe
Published in 2010
Repository Repositorio Escuela Superior Politécnica del Litoral