1676-2592 1676-2592 S1676-25922020000400793 10.20396/etd.v22i4.8660176 Spain 00 10 2020 00 10 2020 22 4 793 811

1992 1983 2007 15-27 2016 1991 10 107-34 2005 2012 2003 2002 1932