//-->
Single-machine scheduling to minimize maximum tardiness with minimum number of tardy jobs
Gupta, J.N.D., (1999)
Scheduling a two-stage hybrid flow shop with parallel machines at the first stage
Gupta, J.N.D., (1997)
Single Machine Scheduling with, Dedlines to Minimize the Weighted Number of Tardy Jobs
Hariri, A.M.A., (1994)