0120-548X 0120-548X S0120-548X2018000300235 10.15446/abc.v23n3.69455 Ecuador Ecuador 00 12 2018 00 12 2018 23 3 235 241

2003 95 3 3 388-98 2003 100 26 26 15649-54 2008 46 1 1 24-35 2008 71-5 2001 9 2016 169-83 2016 18 3 3 281-8 2008 2004 26 61-8 2006 96 2 2 190-4 2004 2 1 1 43-56 2007 97 12 12 1658-63 2014 29 1 1 11-9 2003 87 1 1 4-10 2010 1 79 2010 54 3 3 230-40 MAGAP 2016 2008 9 5 5 577-88 2008 46 1 1 4-14 2005 3 3 3-7 2005 23-6 2015 1 80 2010 3 2006 San José, Costa Rica 93-8 2008 13 1 1 45-56 2007 56 2 2 219-26 2018 30 2000 63 11 11 1529-30 2009 25 2 2 295-303