Sengupta JK (1990). “Measuring Portfolio Efficiency: A Critique.” Int J Syst Sci 21(3): 511-525.

Sengupta JK (1990). “Structural Efficiency in Stochastic Models of Data Envelopment Analysis.” Int J Syst Sci 21(6): 1047-1056.

Sengupta JK (1990). “Tests of Efficiency in Data Envelopment Analysis.” Computer and Operations Research 1: 123-132.

Sengupta JK (1990). “Transformations in Stochastic DEA Models ” J Econometrics 46(1/2): 109-123.

Sengupta JK (1991). “The Influence Curve Approach in Data Envelopment Analysis.” Mathematical Programming, Series B 5: 147-166.

Sengupta JK (1991). “Rapid Growth in N.I.C.S in Asia – Tests of New Growth Theory for Korea.” KYKLOS:International Review for Social Sciences 4(44): 561-579.

Sengupta JK (1991). “Robust Decisions in Economic Models.” Computer and Operations Research 18(2): 221-232.

Sengupta JK (1989). “Farrell Efficiency: Some Generalisations and Econometric Implications.? in Essays in Honor Professor Karl Afox North Holland.

Sengupta JK (1987). “Data Envelopment Analysis for Efficiency Measurement in the Stochastic Case.” Computer and Operations Research 1: 117-129.

Sengupta JK (1987). “Efficiency Measurement in Non-Market Systems through Data Envelopment Analysis.” Int J Syst Sci 18(12): 2279-2304.