Slim Bechikh, Lamjed Ben Said and Khaled Ghédira (2013) “Group Preference-based Evolutionary Multi-objective Optimization with Non-Equally Important Decision Makers: Application to the Portfolio Selection Problem”, International Journal of Computer Information Systems and Industrial Management Applications, 5, p. 11. Available at: https://cspub-ijcisim.org/index.php/ijcisim/article/view/223 (Accessed: 4 May 2026).