5
Published 2017
OECD Publishing

6
Published 2012
Corporación de Investigación, Estudio y Desarrollo de la Seguridad Social 

8
Published 2014
Corporación de Investigación, Estudio y Desarrollo de la Seguridad Social 

9
Published 2018
OECD Publishing

10
Published 2018
International Labour Organization

11
Published 2020
OECD Publishing

12
Published 2018
International Labour Organization

13
Published 2020
OECD Publishing

14
Published 2019
OECD Publishing

16
Published 2020
OECD Publishing

17
Published 2020
OECD Publishing

18
Published 2020
OECD Publishing