1. Process visualization. Getting the vision right is key;Barrett;Information Systems Management (Spring),1994
2. Goal question metric paradigm;Basili,1994
3. Enterprise modeling;Bubenko;Ingénierie des Systèmes d'Information,1994
4. J. Bubenko, J. Stirna, EKD User Guide, ELEKTRA project, Research report, February 1997.
5. Soft Systems Methodology in Action;Checkland,1990