2184-0628 2184-0628 S2184-06282021000300179 10.29315/gm.v1i1.425 Portugal Portugal Portugal Portugal 30 09 2021 30 09 2021 8 3 179 186

1 Instituto Nacional de Estatística 2 2006 37 1-4 3 1996 44 97-105 4 2008 24 671-8 5 2006 37 95-100 6 2016 25 136-40 7 2009 94 817-20 8 2018 34 647-9