Bittmann, FelixFelixBittmann0000-0003-0802-5854Zorn, Viktoria SophieViktoria SophieZorn2020-01-082020-01-0820200018-15601573-174Xhttps://fis.uni-bamberg.de/handle/uniba/46986engWhen choice excels obligation: about the effects of mandatory and voluntary internships on labour market outcomes for university graduatesarticle10.1007/s10734-019-00466-5