1
Published 2013
OECD Publishing

2
Published 2017
OECD Publishing

6
Published 2010
OECD Publishing

7
Published 2017
OECD Publishing

8
Published 2017
OECD Publishing

9
Published 2015
OECD Publishing

10
Published 2017
OECD Publishing

11
by Lytras, Miltiadis
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

14
by Ioannou, Konstantinos
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

15
by Chen, Jie
Published 2022
MDPI - Multidisciplinary Digital Publishing Institute

16
by Halkos, George
Published 2023
MDPI - Multidisciplinary Digital Publishing Institute

17
by Aucelli, Pietro
Published 2023
MDPI - Multidisciplinary Digital Publishing Institute

18
by Lau, Yui-yip
Published 2023
MDPI - Multidisciplinary Digital Publishing Institute

19
by Fendel, Ralf
Published 2023
MDPI - Multidisciplinary Digital Publishing Institute

20
by Yamoah, Fred Amofa
Published 2023
MDPI - Multidisciplinary Digital Publishing Institute