1. Optimal two and three stage production schedules with setup times included. A;Johnson,1954
2. Sequencing Jobs through a Multi-Stage Process in the Minimum Total Time-A Quick Method of Obtaining a Near Optimum;Palmer,1965
3. A heuristic algorithm for the n job, m machine sequencing problem;Campbell,1970
4. A Functional Heuristic Algorithm for the Flow shop Scheduling Problem;Gupta,1971