1. Hartman F, Ashrafi R.:“Failed Successes and Failures”, PMI Annual Seminar/ Symposium,Boston, PD, vol. 35, pp. 1-5 (1996).
2. Gunton, T.: “A Dictionary of Information Technology and Computer Science”, 2nd Edition, TJ Press, Cornwall (1993).
3. Keen, P.G.W.: “Every Manager’s Guide to Information Technology”: A Glossary of Key Terms and Concepts for Today’s Business Leader, 2nd ed., Harvard Business School Press, Boston, MA (1994).
4. Yang, Y.H.: “Software Quality Management and ISO 9000 Implementation”, Industrial Management & Data Systems, vol. 101, no. 7, pp. 329-38 (2001).
5. H. Joseph Wen, Jyh-Horng Michael Tarn (1998), Internet Security: A Case Study Of Firewall Selection. School of Management, New Jersey Institute of Technology, Newark, USA.