0871-018X 0871-018X S0871-018X2022000300451 10.19084/rca.28492 Portugal Portugal 30 12 2022 30 12 2022 45 4 451 460

INE 2021 IUSS Working Group WRB 2014 106 106 1997 352 1356 1356 997-1010 2004