Search results
European Journal of Operational Research > 2012 > 223 > 3 > 637-643
European Journal of Operational Research > 2005 > 162 > 3 > 700-712
European Journal of Operational Research > 2012 > 223 > 3 > 637-643
European Journal of Operational Research > 2005 > 162 > 3 > 700-712