1
masterThesis
Published in 2014
Repository Repositorio Universidad de Guayaquil
2
article
by Arteaga Nieto, Lucrecia Katherine; Cabrera Chavez, Mayra Yolanda; Changsan Velasco, Luis Felipe; Aguirre Carpio, Luis Alberto
Published in 2009
Repository Repositorio Escuela Superior Politécnica del Litoral