Al-Hawaj, A. Y., Elali, W., & Twizell, E. H. Higher education in the twenty-first century: Issues and challenges : proceedings of the international conference, Ahlia University, Kingdom of Bahrain, 3-4 June 2007.

Al-Hawaj, Abdulla Y., Wajeeh Elali, and E. H. Twizell. Higher Education in the Twenty-first Century: Issues and Challenges : Proceedings of the International Conference, Ahlia University, Kingdom of Bahrain, 3-4 June 2007.

Al-Hawaj, Abdulla Y., Wajeeh Elali, and E. H. Twizell. Higher Education in the Twenty-first Century: Issues and Challenges : Proceedings of the International Conference, Ahlia University, Kingdom of Bahrain, 3-4 June 2007.