1
by Hanna, Kathi E.
Published 1991
National Academy Press

2
by Bulger, Ruth Ellen
Published 1995
National Academy Press

3
by Rittmann, Günter
Published 2014
Nomos Verlagsgesellschaft mbH & Co. KG

4
by Henkel, Anna
Published 2018
transcript Verlag

5
by Kathrin Thiele
Published 2017
meson press

6
by Yigitcanlar, Tan
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

7
by Shah, Esha
Published 2019
MDPI - Multidisciplinary Digital Publishing Institute

8
Published 2019
transcript Verlag