21
by Naoko Koda
Published 2018
Frontiers Media SA

22
by Wineburg, Robert
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

23
by Reimer, Torsten
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

24
by Landman, Christina
Published 2016
AOSIS

25
Published 2018
University of Tartu Press

26
by Dino Giuli
Published 2018
MDPI AG - Multidisciplinary Digital Publishing Institute