Am. J. Oper. Res. Vol.3 No.3, May 23, 2013 DOI:10.4236/ajor.2013.33036
Am. J. Oper. Res. Vol.3 No.3, May 23, 2013 DOI:10.4236/ajor.2013.33035
Am. J. Oper. Res. Vol.3 No.3, May 23, 2013 DOI:10.4236/ajor.2013.33034
Am. J. Oper. Res. Vol.3 No.3, May 23, 2013 DOI:10.4236/ajor.2013.33033
Am. J. Oper. Res. Vol.3 No.3, May 23, 2013 DOI:10.4236/ajor.2013.33032
Am. J. Oper. Res. [ISSUE], [PUBDATE] DOI:[DOI]