1727-897X 1727-897X S1727-897X2020000500757 Ecuador 00 10 2020 00 10 2020 18 5 757 761

1 2006 2da 2 2006 59 spe spe 14 3 2007 2 especial especial 12 4 2020 8 5 2020 2020 2020 4 6 2010 7 2002 8 2005 9 2009 5 1 1 8 10 2010 11 2001