1
Published 2010
OECD Publishing

3
Published 2017
OECD Publishing

4
by Benezech, Vincent
Published 2018
OECD Publishing

13
by Goldman, Lynn
Published 2005
National Academies Press

14
Published 2002
National Academies Press

15
by Herrera-Melián, José
Published 2018
MDPI - Multidisciplinary Digital Publishing Institute

16
by Viegas, Clara
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

17
by Dos Santos, Elizaldo Domingues
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

18
by Vale, Zita
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

20
by Naidu, Ravi
Published 2015
Taylor & Francis