T. Mahmood, T. Masud, S. Ali, K. S. Abbasi and M. Liaquat. 2015. Optimization and partial characterization of bacteriocin produced by Lactobacillus bulgaricus -TLBFT06 isolated from Dahi. Pakistan Journal of Pharmaceutical Sciences, 28 (2): 549-555.

"Specification of e-Health System using Z: A Motivation to Formal Methods", "International Conference for Convergence of Technology, Pune, India April 06-07, 2014

M. Ahsan, Y. Hafeez, & M. ,W., Azeem �Knowledge Management Model for Support of Requirement Engineering� 10th International conference on Emerging Technologies (ICET 2014).

S., Anwar, Y., Hafeez, & S., Asghar �User-Centered Design Practices in Scrum Development Process: A Distinctive Advantage� 2014 IEEE 17th International Multi Topic Conference (INMIC 2014).

A. Batool, Y. Hafeez, & M. Ahmed. �Comparative Study of Traditional Requirement Engineering and Agile Requirement Engineering� The 15th International Conference on Advanced Communications Technology (ICACT 2013), 2013, at Phoenix Park, Korea.

H. Naz, Y. Hafeez & S. Asghar �Effective Usage of AI Technique for Requirement Change Management Practices �The 5th International Conference on Computer Science and Information Technology), 2013, Amman, Jordan.

A. Batool, Y. Hafeez & M.S. Hassan, (2013). �A Scrum Framework for Requirement Engineering Practices �Published in Proceedings of the Pakistan Academy of Sciences, Volume 50, and Issue December, 2013.

Mamoona Humayun and Cui Gang. �An Empirical Study on Improving Shared Understanding of Requirements in GSD". International Journal of Software Engineering and Its Applications, Vol. 7, No. 1, January, 2013 ISSN: 1738-9984

Mamoona Humayun and Cui gang. �Exploring leadership role in GSD: potential contribution to an overall knowledge management strategy�. Journal of computing, 5(3) March 2013, ISSN : 2151-9617

Mamoona Humayun and Cui Gang. �An Empirical Study of the Complex Relationship between KMR and Trust in GSD� Journal of Software� Vol 8 No 4, April 2013.