[1] Anita, L. Archer, (2008), Scaffolding Reading Comprehension: Preparing for Passage Reading, London: Routledge.
[2] Alderson, J.C, (2000), Assessing reading, Cambridge: Cambridge University Press.
[3] Clack, K. F., & Graves, M. F, (2005), Scaffolding students’ comprehension of text, The reading teacher, 58 (6), 570-581, Retrieved from http:// proquest.umi.com. ezlibrary.ju.edu.jo
[4] Laufer, B, (1989), What percentage of text lexis is essential for comprehension? In C. Lauren and M. Nordman (Eds), Special language: From human thinking to thinking machines, Cleverdon
[5] Lehr, F., Osborn, J., & Hiebert, E. H, (2004), A focus on Vocabulary, Honolulu: HI.
[6] Liu and Nation, E.S.P, (1985), Factors affecting guessing vocabulary in context, RELC Journal, (16), 33-42
[7] Nuttall, C, (1982), Teaching reading skills in a foreign language, London: Heineman Educational.