2183-184X 2183-184X S2183-184X2021000200081 10.47345/v8n2art6 Portugal 30 09 2021 30 09 2021 8 2 81 121

1 2010 2 2019 3 2019 4 2016 5 2017 6 2017 12 10 2012 11 2007 12 2009 13 2017 14 2020 15 2006 17 2018 18 2017 19 2018 21 2002