Journal Name : Revista Científica UNESUM Ciencias ISSN No. : 2602-8166 Publisher : Universidad Estatal del Sur de Manabí Advisory board Advisory board Advisory board Dr. Rajendra Shendge Ecaterina Patrascu Flavio de Sao Pedro Filho A. R. Burla College, India Spiru Haret University, Bucharest, Romania Federal University of Rondonia, Brazil Directory of Research Journals Indexing Wesite : http://www.olddrji.lbp.world Mail us at : info@drji.org / ashok.drji@gmail.com