%0 Journal Article %J The International Review of Research in Open and Distributed Learning %D 2004 %T A comparative study of dropout rates and causes for two different distance education courses %A Christos J. Pierrakeas %A Xeno, Michalis %A Panagiotakopoulos, Christos %A Vergidis, Dimitris %B The International Review of Research in Open and Distributed Learning %V 5 %G eng