1659-4266 1659-4266 S1659-42662019000200038 10.22458/urj.v11i2.2194 Costa Rica 00 06 2019 00 06 2019 11 2 38 47

2017 2012 27 6 6 2102-8 2017 5 61-9 2018 2 14 14 25-36 2013 9 4 4 101-17 2005 2005 2018 2018 2018 2018 2018 2018 2018