1. Gabbai, Jonathan M. E, 2005. Complexity and the Aerospace Industry: Understanding Emergence by Relating Structure to Performance using Multi- Agent Systems. University of Manchester, Engineering Doctorate Thesis.
2. Nintex Workflow, 2014. Vendor website case study. Battling Productivity Issues, MAN Diesel & Turbo Uses Nintex for Workflow, Reduces Downtime to “Nearly Nothing”. https://www.nintex.com/-/media/files/resources/case-studies/man-diesel-and-turbo-operations-case-study.ashx (Accessed 24th November 2016).
3. Specification and Implementation of Exceptions in Workflow Management Systems;Casati;ACM Transactions on Database Systems,2000
4. Shi, M.L., Yang,G.X., et.al., 2013 “Wfms: workflow management system”, Department of Computer Science, Tsinghua University. http://en.cnki.com.cn/Article_en/CJFDTOTAL-JSJX903.015.htm.
5. Kobielus, J., 2003. An Introduction to Workflow Management Systems. Center for Technology in Government. https://www.ctg.albany.edu/publications/reports/workflow_mgmt?chapter=2&PrintVersion=2.