Am. J. Oper. Res. Vol.1 No.2, June 27, 2011 DOI:10.4236/ajor.2011.12010
Am. J. Oper. Res. Vol.1 No.2, June 17, 2011 DOI:10.4236/ajor.2011.12009
Am. J. Oper. Res. Vol.1 No.2, June 17, 2011 DOI:10.4236/ajor.2011.12008
Am. J. Oper. Res. Vol.1 No.2, June 17, 2011 DOI:10.4236/ajor.2011.12007
Am. J. Oper. Res. Vol.1 No.2, June 17, 2011 DOI:10.4236/ajor.2011.12006
Am. J. Oper. Res. [ISSUE], [PUBDATE] DOI:[DOI]