Am. J. Oper. Res. Vol.7 No.2, March 31, 2017 DOI:10.4236/ajor.2017.72010
Am. J. Oper. Res. Vol.7 No.2, March 31, 2017 DOI:10.4236/ajor.2017.72009
Am. J. Oper. Res. Vol.7 No.2, March 15, 2017 DOI:10.4236/ajor.2017.72008
Am. J. Oper. Res. Vol.7 No.2, March 15, 2017 DOI:10.4236/ajor.2017.72007
Am. J. Oper. Res. Vol.7 No.2, March 14, 2017 DOI:10.4236/ajor.2017.72006
Am. J. Oper. Res. [ISSUE], [PUBDATE] DOI:[DOI]