- Hisham Abushama, Pat Allen, Muthu Ramachandran,: Priority Matrix for Software Process Improvement, Leeds Metropolitan University Software Development Research third Conference, 2002.
- Hisham Abushama, Pat Allen, Muthu Ramachandran,: Mapping Software Practices to the Prioritized areas for improvement technique , Leeds Metropolitan University Software Development Research fourth Conference, 2002.
- Hisham Abushama (2003) , a tailored approach for Process Improvement, IEEE Computer Society, pp.112 – 117.
- Hisham Abushama (2005) ,a methodology for process improvement in small and medium enterprises, Software Process – Improvement and Practice Journal, Vol (10) issue(2) pp. 126-138.
- Hisham Abushama, Pat Allen, Muthu Ramachandran,: A methodology for Software Process Improvement in Small to Medium Enterprises. Quality Software International Conference 2004: pp.145-156.
- Hisham Abushama, Pat Allen, Muthu Ramachandran,: PRISMS: an Approach to Software Process Improvement for Small to Medium Enterprises. Quality Software International Conference 2003: pp.211-219.
- Suhanda AbdelRaheem, Hisham Abushama, Ghada Kadoda,A Decision Making Model For Software Procurement, Appropriate Technology Conference, 2008.
- Mohamed Abbas, Hisham Abushama, Ghada Kadoda, A Case Study of Software Procurement Strategies in Sudanese Organizations , Appropriate Technology Conference, 2008.
- A.Elrayani, Hisham Abushama, Abdullah Rashid (2008): Finding the best model for measuring E – Readiness for E Government in developing Country: Comparative Study, the International ARAB Journal of Information Technology Vol(10) issue(3).
- A.Elrayani, Hisham Abushama, Abdullah Rashid (2009):The impact of the culture and social customs on the E-readiness in Yemen, Journal of Social Studies Vol(14) issue(3).