2077-2955 2077-2955 S2077-29552019000200024 Ecuador Ecuador 00 08 2019 00 08 2019 15 2 24 48

2011 1980 1995 2008 9 9 105-15 2012 8 2 2 24-36 2016 1994 32 32 117-30 1999 251-61 2018 b 10 1 1 32-47 2018 c 2013 1997 1986 2011 2002