1. Giarratano, J., Riley, G., & Giarratano, J. C. (2010). Expert systems: Principles and Programming. Course Technology
2. Jackson, P. (1999). Introduction to expert systems (3rd ed.). Addison-Wesley Longman
3. Blanning, R.W.: Management applications of expert systems. Information & Management 7(6), 311–316 (1984)
4. Kulkarni, P. and Joshi P. (2016). Artificial intelligence: Building Intelligent Systems. PHI Learning
5. Padhy, N.P.: Artificial Intelligence and Intelligent Systems. Oxford University Press (2005)