2218-3620 2218-3620 S2218-36202018000100336 República del Ecuador 00 03 2018 00 03 2018 10 1 336 342

2013 70 1-5 1999 31 3 3 269-83 1999 31 3 3 285-302 1982 27 591-622 2002 25 3 3 34 1993 32 3 3 179-86 1987 9-26 1985 1985 1990 1990 1992 2015 215 2-8 1988 2016 10 1 1 55 1997 2013 38 4 4 506-22 2003 17 2 2 1999 23 2 2 34 2003 2016 61 2 2 30-2 1984 76 6 6 1226-38 1984 76 2 2 248-58 2014 101 2 2 66 2015 197 1721-6 2015 19 1 1 184 2013