0257-4314 0257-4314 S0257-43142022000100007 Ecuador 00 04 2022 00 04 2022 41 1

2010 3 3 105-25 2006 IX 30 30 18-25 2018 12 1 1 135-55 2017 1 1 9-27 2015 23 1 1 189-208 2009 34 11 11 822-9 2013 25 25 57-76 2012 Cuenca 2018 25 3 3 602-623.