1390-0129 1390-0129 S1390-01292022000100053 10.33333/rp.vol49n1.05 Ecuador Ecuador 00 04 2022 00 04 2022 49 1 53 60

2007 24(1). 35-42 2014 2016 3(6) 1-27 2017 2002 13 102-10 2014 2015 2002 2014 52, n.3 357-63 2007