%0 Journal Article %T Lean metric appraisement: exploration of grey numbers set theory %A Ram Matawale, Chhabi %A Datta, Saurav %A Sankar Mahapatra, Siba %J Grey Systems Theory and Application %V 4 %N 3 %P 400-425 %@ 2043-9377 %D 2014-10-28 %I Emerald Group Publishing Limited %~ DeepDyve