A modified directional distance formulation of DEA to assess bankruptcy: An application to IT/ITES companies in India. - Udaya Shetty; T. P. M. Pakkala; T. Mallikarjunappa (Expert Syst. Appl., 2012)

Improved efficiency measures through directional distance formulation of data envelopment analysis. - Ali Diabat; Udaya Shetty; T. P. M. Pakkala (Ann. Oper. Res., 2015)

Aggregate directional distance formulation of DEA with integer variables. - Youchao Tan; Udaya Shetty; Ali Diabat; T. P. M. Pakkala (Ann. Oper. Res., 2015)

Integration of directional distance formulation of DEA and canonical correlation. - Udaya Shetty; T. P. M. Pakkala (Int. J. Bus. Perform. Supply Chain Model., 2016)