1
bachelorThesis
by Silvera Badillo, Olinda Austria; Villao Avecillas, Lorena Elizabeth; Yanangómez Paladines, Martha Esther
Published in 1999
Repository Repositorio Universidad Técnica Particular de Loja
2
bachelorThesis
Published in 2009
Repository Repositorio Universidad Técnica Particular de Loja
3
bachelorThesis
Published in 2018
Repository Repositorio Universidad Técnica Particular de Loja