1. - Al Hosni, S. (2014, June). Speaking Difficulties Encountered by Young EFL Learners. International Journal on studies in English language and literature, 2(6).
2. - Bashir, M., Azeem, M., and Dogar, A. H.(2011). Factor Effecting Students' English Speaking Skills. British Journal of Arts and Social Sciences, 2(1).
3. - Bygate, M. (1987). Speaking (1st ed.). New York, NY: Oxford University Press.
4. - Best, John W.and Kahn, James V. (1986).The Sampler patterns for Composition. Massachusetts: Heath and company.
5. - Carrol, David W.(2008).psychology of Language. Toronto: Thomson Wadsworth.