1. F. Della Croce, J.N.D. Gupta, D. Maio, R. Tadei, Minimizing the number of tardy jobs on a two-machine flow-shop with common due date, Internal Report, D.A.I. Politecnico di Torino, Italy, 1997
2. M-stage scheduling problem: A critical appraisal;Gupta;International Journal of Production Research,1971
3. J.N.D. Gupta, Scheduling research paradigms: Review and Extensions, in: Production as a Mean of Improving Productivity, Proceedings of the Seventh International Conference at Windsor, Canada, 1984, pp. 377–383
4. J.N.D. Gupta, A.M.A. Hariri, Integrating job selection and scheduling in a flowshop, Working paper, Department of Management, Ball State University, Muncie, IN, 1994
5. Two machine flow-shop to minimize number of tardy jobs;Gupta;Journal of the Operational Research Society,1997