1
bachelorThesis
by Alvarado Chamaidán, Lourdes Isabel; Bravo Sánchez, Simón Bolívar; González Cevallos, Jessica Cecilia
Published in 2005
Repository Repositorio Escuela Superior Politécnica del Litoral
2
article
by Alvarado Chamaidan, Lourdes Isabel; Bravo Sanchez, Simon Bolivar; Gonzalez Cevallos, Jessica Cecilia; Espinal Santana, Albert
Published in 2009
Repository Repositorio Escuela Superior Politécnica del Litoral