1647-2160 1647-2160 S1647-21602021000200200 10.19131/rpesm.319 Portugal Spain Portugal Portugal Portugal Portugal Spain 30 12 2021 30 12 2021 26 200 217

2019 24 152-69 2016 87 70-80 2019 19 1 1 Government of Canada 2017 1958 2014 5 2003 11 1 1 61-78 1999 2013 13 1 1 2015 13 13 34-42 2018 19 365-79 2017 23 3 3 215-22 2009 8 3 3 1-21 2020 1-8 2015 2016 2014 11 45-53 2018 2019 1-9 2007 19 6 6 349-57