作 者:Sabine Al-Diban Technical University Dresden, Germany ;sabine.al-diban@mailbox.tu-dresden.de Dirk Ifenthaler Albert-Ludwigs-University Freiburg, Germany ;ifenthaler@ezw.uni-freiburg.de
出 处:Educational Technology and Society. 2011 ;14(02).
出 版 社:IFETS - Attn Kinshuck
文 章 ID:47842331