Fuzzy EOQ models with ramp type demand rate, partial backlogging and time dependent deterioration rate. - Ravi Shankar Kumar; Sujit Kumar De; Adrijit Goswami (Int. J. Math. Oper. Res., 2012)

A fuzzy random EPQ model for imperfect quality items with possibility and necessity constraints. - Ravi Shankar Kumar; Adrijit Goswami (Appl. Soft Comput., 2015)

A continuous review production-inventory system in fuzzy random environment: Minmax distribution free procedure. - Ravi Shankar Kumar; Adrijit Goswami (Comput. Ind. Eng., 2015)

EPQ model with learning consideration, imperfect production and partial backlogging in fuzzy random environment. - Ravi Shankar Kumar; Adrijit Goswami (Int. J. Syst. Sci., 2015)

Multi-objective modeling of production and pollution routing problem with time window: A self-learning particle swarm optimization approach. - Ravi Shankar Kumar; Karthik Kondapaneni; Vijaya Dixit; Adrijit Goswami; Lakshman S. Thakur; M. K. Tiwari (Comput. Ind. Eng., 2016)

Two-echelon fuzzy stochastic supply chain for the manufacturer-buyer integrated production-inventory system. - Ravi Shankar Kumar; M. K. Tiwari; Adrijit Goswami (J. Intell. Manuf., 2016)

An improved inventory model with random review period and temporary price discount for deteriorating items. - Dipana Jyoti Mohanty; Ravi Shankar Kumar; Adrijit Goswami (Int. J. Syst. Assur. Eng. Manag., 2016)

Designing multi-period supply chain network considering risk and emission: a multi-objective approach. - Ravi Shankar Kumar; Alok Kumar Choudhary; Soudagar A. K. Irfan Babu; Sri Krishna Kumar; Adrijit Goswami; M. K. Tiwari (Ann. Oper. Res., 2017)

Vendor-buyer integrated production-inventory system for imperfect quality item under trade credit finance and variable setup cost. - Dipana Jyoti Mohanty; Ravi Shankar Kumar; Adrijit Goswami (RAIRO Oper. Res., 2018)

Designing a single-vendor and multiple-buyers' integrated production inventory model for interval type-2 fuzzy demand and fuzzy rule based deterioration. - Chayanika Rout; Ravi Shankar Kumar; Arjun Paul; Debjani Chakraborty; Adrijit Goswami (RAIRO Oper. Res., 2021)