Henrich, AndreasAndreasHenrich0000-0002-5074-3254Sieber, StefanieStefanieSieber2019-09-192014-09-2420091386-4564https://fis.uni-bamberg.de/handle/uniba/18752engBlended learning and pure e-learning concepts for information retrieval: experiences and future directionsarticle10.1007/s10791-008-9079-3