1. Ahram, T.Z., and Karwowski, W. 2009. Measuring Human Systems Integration Return on Investment. The International Council on Systems Engineering - INCOSE Spring 09 Conference: Virginia Modeling, Analysis and Simulation Center (VMASC), Suffolk, VA.
2. Ahram, T.Z., Karwowski, W., and Amaba, B. 2010. User-centered Systems Engineering & Knowledge Management Framework for Design & Modeling of Future Smart Cities. 54th Annual Meeting of the Human Factors and Ergonomics Society (HFES 2010), San Francisco, CA.
3. Ahram, T.Z., Karwowski, W., Amaba, B., and Obeid, P. 2009. Human Systems Integration: Development Based on SysML and the Rational Systems Platform. Proceedings of the 2009 Industrial Engineering Research Conference, Miami, FL.
4. New research perspectives on Ambient Intelligence