1. University Course Timetabling Using a Hybrid Harmony Search Metaheuristic Algorithm;Al-Betar;IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews,2012
2. Abdullah, S., Burke, E.K., & McColloum, B. (2007). A Hybrid Evolutionary Approach to the University Course Timetabling Problem. In Proceedings of CEC: The IEEE congress on evolutionary computation (pp. 1764–1768).
3. Using a randomised iterative improvement algorithm with composite neighborhood structures for university course timetabling. metaheuristic – Program in complex systems;Abdullah;Optimization,2007
4. Abdullah, S., Burke, E.K., & McColloum, B. (2005). An Investigation of Variable Neighborhood Search for University Course Timetabling. In The 2th multidisciplinary conference on scheduling: Theory and applications, NY, USA (pp. 413–427).
5. A hybrid approach for university course timetabling;Abdullah;IJCSNS International Journal of Computer Science and Network Security,2008