%0 Journal Article %A Nirmal Kumar Mandal %T Fuzzy Economic Order Quantity Model With Ranking Fuzzy Number Cost Parameters %J Yugoslav journal of operations research %D 2012 %P 247 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2012_22_2_a5/ %G en %F YJOR_2012_22_2_a5