Detlef Sack was born 1965. He is professor of democracy theory and government system research at Faculty of Political Science, University of Wuppertal.
Detlef Sack was born 1965. He is professor of democracy theory and government system research at Faculty of Political Science, University of Wuppertal. (en)
Detlef Sack was born 1965. He is professor of democracy theory and government system research at Faculty of Political Science, University of Wuppertal. (en)