References
- Fleming , Quentin . 1992 . Cost/Schedule Control Systems Criteria , Chicago, IL : Probus Publishing Co .
- Kerzner , Harold . 1995 . Project Management: A Systems Approach to Planning, Scheduling, and Controlling , 5th , New York : Van Nostrand Reihold .
- Kliem , Ralph L. and Ludin , Irwin S . 1997 . Reducing Project Risk , Brookfield, VT : Gower .
- Project Management Institute . 2004 . A Guide to the Project Management Body of Knowledge (PMBOK) , 3rd , Newtown Square, PA : Project Management Institute .