2
Published 2008
Financial Institute for Regional Development, PI

6
Published 2016
Autoridade Tributária e Aduaneira

7
Published 2012
OECD Publishing

8
Published 2016
Economic Commission for Latin America and the Caribbean

10
Published 2022
OECD Publishing

13
Published 2022
OECD Publishing

15
Published 2022
OECD Publishing

16
Published 2017
OECD Publishing

17
Published 2021
OECD Publishing

20
Published 2023
OECD Publishing