1
article
by Falcones Cevallos, Betty Lissette; Mancheno Salinas, Fabricio Eliezer; Navarro Gonzalez, Ingrid Alexandra; Tobalina Ditto, Constantino Francisco
Published in 2009
Repository Repositorio Escuela Superior Politécnica del Litoral
2
article
by Castro Garcia, Viviana Estela; Chicaiza Oña, Melissa Johana; Tobalina Ditto, Constantino Francisco
Published in 2009
Repository Repositorio Escuela Superior Politécnica del Litoral