A comparative study of cooperative learning systems in the context of the "Virtual University of Applied Sciences".

Gerold Blakowski Udo Hinze A comparative study of cooperative learning systems in the context of the "Virtual University of Applied Sciences". 2001 IuK http://www.zpid.de/iuk2001/program/abstracts/Blakowski.html db/conf/iuk/iuk2001.html#BlakowskiH01