0872-3419 0872-3419 S0872-34192021000100092 10.21747/08723419/soc41a6 Portugal Portugal 30 06 2021 30 06 2021 41 92 98

1998 1987 48 2 2 107-37 2003 2019 2016 2020 E98 E98 2018 1998 2005