Open Science Research Excellence
Debabrata Das and  Pankaj Dutta,  A Simulation Study of Bullwhip Effect in a Closed-Loop Supply Chain with Fuzzy Demand and Fuzzy Collection Rate under Possibility Constraints.   journal   = {International Journal of Mathematical, Computational, Physical, Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2012, vol. 64(4). 466 - 473[viewed 21 May 2019]. Available from: http://waset.org/publications/4496.