%0 Journal Article %A Commander Anil Rana %A Ajit Verma %A As Srividya %T Optimisation of Production Machine Scheduling Using a Two Level Mixed Optimisation Method %J Yugoslav journal of operations research %D 2010 %P 197 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2010_20_2_a1/ %G en %F YJOR_2010_20_2_a1