Abad Coronel, Cristian Gustavo2018-01-112018-01-112016-01-0187502186https://www.scopus.com/inward/record.uri?eid=2-s2.0-84994034074&partnerID=40&md5=1645963a64963aae9541b541cb251bf2http://dspace.ucuenca.edu.ec/handle/123456789/29231en-USArticle