http://www.secgovcentre.org/files/www/SSR-2.0-Brief-4-Zanker.pdf
Journal of Intervention and Statebuilding, 11, 2017, 2, 166-185
Welt-Sichten, 2016, 7, 30-33
GIGA Focus Africa, 06/2016
GIGA Focus International Edition English, 03/2015
Blog "Democracy in Africa", 2015