A Fuzzy Mathematical Programming Approach for Supplier Selection in a Closed-Loop Supply Chain Network [007-0702] Satish Nukala and Surendra M. Gupta * Laboratory for Responsible Manufacturing 334 SN, Department of MIE Northeastern University 360 Huntington Avenue Boston, MA 02115, USA Proceedings of the 2007 POMS-Dallas Meeting, May 4 -May 7, 2007 *Correspondence: e-mail: gupta@neu.edu; URL: http://www.coe.neu.edu/~smgupta/ Phone: (617)-373-4846; Fax: (617)-373-2921