Zahn, CarmenHesse, Friedrich W.Krauskopf, KarstenPea, Roy2015-08-312015-08-312013-03-131556-16071556-1615http://hdl.handle.net/11654/2931en150 - Psychologie330 - WirtschaftHow to improve collaborative learning with video tools in the classroom? Social vs. cognitive guidance for student teams01A - Beitrag in wissenschaftlicher Zeitschrift259-284