A finite horizon EPQ model for deteriorating items with shortages under permissible delay in payments. - M. Valliathal; R. Uthayakumar 001 (Int. J. Appl. Decis. Sci., 2010)

Effects of ramp type demand and Weibull deterioration rate on retailers' optimal pricing and lot-sizing policies for deteriorating items with partial backlogging. - M. Valliathal; R. Uthayakumar 001 (Int. J. Data Anal. Tech. Strateg., 2011)

An EOQ model for rebate value and selling-price-dependent demand rate with shortages. - M. Valliathal; R. Uthayakumar 001 (Int. J. Math. Oper. Res., 2011)

Fuzzy Economic Production Quantity Model for Weibull Deteriorating Items with Ramp Type of Demand. - R. Uthayakumar 001; M. Valliathal (Int. J. Strateg. Decis. Sci., 2011)

Designing a new computational approach of partial backlogging on the economic production quantity model for deteriorating items with non-linear holding cost under inflationary conditions. - M. Valliathal; R. Uthayakumar 001 (Optim. Lett., 2011)

Optimal replenishment policies of an EOQ model for non-instantaneous Weibull deteriorating items with ramp-type of demand under shortages. - M. Valliathal; R. Uthayakumar 001 (Int. J. Math. Oper. Res., 2016)

Non-normal fuzzy number analysis in various levels using centroid method for fuzzy optimization. - M. Revathi; M. Valliathal (Soft Comput., 2021)

Website selection for online shopping by multi-criteria decision analysis using symmetric hendecagonal fuzzy number. - M. Revathi; M. Valliathal (Int. J. Math. Oper. Res., 2023)