Economic design of an inventory policy for non-instantaneous deteriorating items under permissible delay in payments. - K. V. Geetha; R. Uthayakumar 001 (J. Comput. Appl. Math., 2010)

Setup cost reduction in an integrated production inventory system for defective items with service level constraint and delay in payments. - R. Udayakumar; K. V. Geetha (Logist. Res., 2017)

Economic ordering policy for single item inventory model over finite time horizon. - R. Udayakumar; K. V. Geetha (Int. J. Syst. Assur. Eng. Manag., 2017)

Supply chain coordination with controllable lead time under imperfect production process. - R. Udayakumar; K. V. Geetha (J. Intell. Fuzzy Syst., 2018)

A two-level supply chain model with trade credit and imperfect production process. - R. Udayakumar; K. V. Geetha (Int. J. Math. Oper. Res., 2019)