Open J. Optim. Vol.5 No.2, June 21, 2016 DOI:10.4236/ojop.2016.52010
Open J. Optim. Vol.5 No.2, June 21, 2016 DOI:10.4236/ojop.2016.52009
Open J. Optim. Vol.5 No.2, June 15, 2016 DOI:10.4236/ojop.2016.52008
Open J. Optim. [ISSUE], [PUBDATE] DOI:[DOI]