Bellahsène, Zohra,.Database and XML technologies : first International XML Database Symposium, XSym 2003, Berlin, Germany, September 8, 2003 : proceedings /.Springer-Verlag,,2003..
Bellahsène, Zohra,,Léonard, Michel..Advanced information systems engineering : 20th international conference, CAiSE 2008, Montpellier, France, June 16-20, 2008 : proceedings /.Springer,,c2008..