21
by Van Oel, Pieter
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

22
by Visvizi, Anna
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

23
by Mohammadi-ivatloo, Behnam
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

24
by Felipe Gonzalez Toro
Published 2018
MDPI - Multidisciplinary Digital Publishing Institute

25
by Wey, Wann-Ming
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

26
by Yigitcanlar, Tan
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

27
by Montoya, Francisco G.
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

28
by Felipe Gonzalez Toro
Published 2018
MDPI - Multidisciplinary Digital Publishing Institute

29
by Felipe Gonzalez Toro
Published 2018
MDPI - Multidisciplinary Digital Publishing Institute

30
by Felipe Gonzalez Toro
Published 2018
MDPI - Multidisciplinary Digital Publishing Institute

31
by Kim, DaeEun
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

32
by Wen, Zhang
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

34
by Viegas, Clara
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

35
by Dos Santos, Elizaldo Domingues
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

36
by Vale, Zita
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

37
by Lee, Jung Eun
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

38
Published 2017
OECD Publishing

39
by de Andres Sanchez, Jorge
Published 2022
MDPI - Multidisciplinary Digital Publishing Institute