1
article
by Ortiz, Dorys; Carrasco, Alexandra; Cornejo, Gladys; Morejón, Judith; Santamaría, Milagros; Rosales, María de Lourdes; Vanegas, Nuria; Vega, Cristian; Yacelga, Tarquino
Published in 2010
Repository Repositorio Universidad Politécnica Salesiana