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2. Multi Purpose Optimization System User's Guide;Cohen,1978
3. The Theory of Scheduling;Conway,1967
4. Toward the development of a complete multiproject scheduling system;Fendley;The Journal of Industrial Engineering,1968
5. User's instructions for 0–1 integer linear programming code RIP30C;Geoffrion;RAND Memorandum RM-5627-PR,1968