H. Chinaei, B. Chaib draa, and L. Lamontagne. ICAART (Revised Selected Papers), volume 67 of Communications in Computer and Information Science, page 151-163. Springer, (2009)
S. Paquet, L. Tobin, and B. draa. AAMAS '05: Proceedings of the fourth international joint conference on Autonomous agents and multiagent systems, page 970--977. New York, NY, USA, ACM, (2005)
A. Draa, M. Batouche, and H. Talbi. International Conference on Computational Intelligence, page 408-411. International Computational Intelligence Society, (2004)