0871-018X 0871-018X S0871-018X2020000600001 10.19084/rca.19684 Portugal Espanha Portugal 30 12 2020 30 12 2020 43 spe2 1 10

2017 2017 2017 iSip 2020 2015 1806 1806 14-8 GPP 2007 GPP 2019 INE 2019 2017 2016