1. van der Aalst, W.M.P.: Three Good Reasons for Using a Petri-net-based Workflow Management System. In: Proceedings of the International Working Conference on Information and Process Integration in Enterprises (1996)
2. van der Aalst, W.M.P., Desel, J., Oberweis, A. (eds.): Business Process Management: Models, Techniques and Empirical Studies. Springer, Heidelberg (1998)
3. Aris, R.: Mathematical Modelling Techniques, New York (1994)
4. Arnowitz, J., Arent, M., Berger, N.: Effective Prototyping for Software Makers. Morgan Kaufmann, Elsevier, Inc. (2007)
5. Barjis, J.: The Importance of Business Process Modeling in Software Systems Design. Journal of The Science of Computer Programming 71(1), 73–87 (2008)