1. Koubarakis, M., Plexousakis, D.: A formal framework for business process modelling and design. Information Systems 27, 299–319 (2002)
2. Kamath, M., Dalal, N.P., Chaugule, A., Sivaraman, E., Kolarik, W.J.: A Review of Enterprise Process Modelling Techniques. In: Prabhu, V., Kumara, S., Kamath, M. (eds.) Scalable Enterprise Systems: An Introduction to Recent Advances. Kluwer Academic Publishers, Boston (2003)
3. Yu, E.: Modelling Strategic Relationships for Process Reengineering. Ph.D. thesis, Dept. of Computer Science, University of Toronto (1994)
4. Bernus, P.: Enterprise models for enterprise architecture and ISO9000:2000. Annual Reviews in Control 27, 211–220 (2003)
5. Dardenne, A., van Lamsweerde, A., Ficklas, S.: Goal-directed requirements acquisition. Sci. Comput. Programming 20, 3–50 (1993)