Am. J. Oper. Res. Vol.4 No.1, January 23, 2014 DOI:10.4236/ajor.2014.41005
Am. J. Oper. Res. Vol.4 No.1, January 23, 2014 DOI:10.4236/ajor.2014.41004
Am. J. Oper. Res. Vol.4 No.1, January 23, 2014 DOI:10.4236/ajor.2014.41003
Am. J. Oper. Res. Vol.4 No.1, January 15, 2014 DOI:10.4236/ajor.2014.41002
Am. J. Oper. Res. Vol.4 No.1, January 06, 2014 DOI:10.4236/ajor.2014.41001
Am. J. Oper. Res. [ISSUE], [PUBDATE] DOI:[DOI]