1
bachelorThesis
by García Zambrano, Wendy Mariela; Vaca Jaramillo, Mireya Alexandra; Villegas Esmeraldas, Martha Yisenia
Published in 2011
Repository Repositorio Universidad Técnica Estatal de Quevedo
2
article
by López Vigil, José Ignacio; Cabanach, José; Rodino, Ana María; González-Llorente, Pedro; Villegas, Esmeraldas; Pinilla, Helena
Published in 1984
Repository Revista CHASQUI