TY - JOUR A1 - Hamburg, Ileana A1 - O´Brien, Emma T1 - E-learning 2.0, social media and communities to improve knowledge in companies T2 - Service science and management research Y1 - 2013 UR - https://whge.opus.hbz-nrw.de/frontdoor/index/index/docId/298 VL - 2 IS - 3 SP - 33 EP - 38 ER -