2014-9832 2014-9832 S2014-98322020000400010 10.33588/fem.234.1072 Perú 00 00 2020 00 00 2020 23 4 227 227 1 2008 39 987-95 2 2014 28 229-42 3 2011 28 481-5 4 2010 5 45