1. Abou-El-Kheir, A. (2014). A phenomenological study of qatari student experiences of identities, languages and academic achievement. Doctoral thesis. King’s College London. Retrieved from https://kclpure.kcl.ac.uk/portal/en/theses/a-phenomenological-study-of-qatari-student-experiences-of-identities-languages-and-academic-achievement(d2b6723c-15f8-4260-8d02-eaabe6a54183).html
2. Abou-El-Kheir, A., & MacLeod, P. (2014). English language profile: Qatar 2014. London/Doha: British Council.
3. Al-Baharna, H. (1968). Legal status of the Arabian Gulf States: A study of their treaty relations and their international problems. ISBN 0719003326. Retrieved from http://books.google.com.bh/books?id=BH27AAAAIAAJ&lpg=PA74&dq=first%20treaty%20Bahrain&pg=PA31#v=snippet&q=1820%20bahrain&f=false
4. Al-Issa, A. (2011). Advancing english language teaching research in Gulf cooperation council states universities. Modern Journal of Applied Linguistics, 3(2), 60–76.
5. Al-Khalili, K. (2008). Quality issues affecting higher education in Bahrain. In C. Davidson & P. M. Smith (Eds.), Higher education in the shaping economies, politics and culture. London: Middle East Institute at SOAS (School of Oriental and African Studies).