0430-5027 0430-5027 S0430-50272021000200305 10.18055/finis19411 Portugal Portugal 30 08 2021 30 08 2021 117 305 311 2019 40 10 10 1596-615 Direção-Geral de Estatística de Educação e Ciência 2019 2015 L 99 99 161-3 2015 L 99 99 159-61 2004 2015 L 99 99 163-7 2017 LII 106 106 149-58 2017 XXII 1.191 1.191 1-31 2018 24 3 3 546-66 2018 171-202 2019 70-105 2019 100 100 2019 19-53 2019 538-41 2019 1600-2 2019 2019 219-51 2017 LII 106 106 159-68 2018 LIII 107 107 159-68 2018 12 e12375 e12375 2019 26 4 4 535-40 2019 2019 63 63 73-81 2007 2015