Ables, E. White, M. and Hahn, K. (1997). Identifying User- based Criteria for Web Pages. Internet Research, 7 (4): 252 – 262.
Abran, A., Khelifi, A., suryn, W. and Seffah, A. (2008). Consolidation the Usability Models. International Software Quality Management Conference.
Brajnik G. (2001) Automatic web usability evaluation: what needs to be done? (1992), In Proc. Human Factors and the Web, 6th Conference, Austin TX. http://www.dimi.uniud.it/giorgio/papers/hfweb00.html
Chiew, K. T. and Salim, S. S. (2003) WEBUSE: Website Usability Evaluation Tools. Malaysian Journal of Computer Science. 16(1): 47-57.
Cohen, Laura B. and Still, Julie M. (1999). A comparison of Research University and two-year college library web sites: content, functionality, and form. College & Research Libraries. 60(3):275–89
Harms, I. and Schweibenz, W. (2001). Evaluating the Usability of Museum Website. University of Saarland Germa.
Kengeri, R., Seals, C. D., Harley, H. D., Reddy, H. P. and Fox, E. A. (1999). Usability study of digital libraries: ACM, IEEE-CS, NCSTRL, NDLTD. International Journal on Digital Libraries, 2(2/3), 157-169.
McGillis,L. and Toms, E.G.(2001). Usability of the Academic Library Web Site: Implications for Design. College & Research Libraries
Mustafa, Suleiman H. and Al-Zou'abi, L. (2008). Usability of the Academic Websites of Jordan's Universities An Evaluation Study.
http://eref.uqu.edu.sa/files/ere2/folders6/f37.pdf (Retrieved September 5, 2010)
Naing,L. ,Winn, T. and Rusli, B.N. (2006). Practical Issues in Calculating the Sample Size for Prevalence Studies.Archives of Orofacial Science, 1, 9-14
Nielsen J. (1994). Usability Engineering. Boston: academic press.
Nielsen J. (2002).Top Ten Guidelines for Homepage Usability..
www.useit.com/alertbox/ (Retrieved April 5, 2011)
Persson, A. , Lang, M. and Nilsson, J.(2010). Usability Testing and Redesign of Library Web pages at Lund University, Faculty of Engineering: A Case Study Applying A Two-Phase, Systematic Quality Approach. Information research, 15(2) http://informationr.net/ir/15-2/paper430.html
Poll, R. (2007). Evaluation the library website: Statistics and quality measures. Paper presented at the World Library and Information Congress: 73rd IFLA General Conference and Council, Durban, South Africa.
Rogers, R. and Preston. H. (2009). Usability Analysis for Redesign of a Caribbean academic library website: a case study. OCLC Systems & Services, International digital library perspectives, 25(3), 200-211.
Toit, Michael, and Bothma, Cornelius .(2009). Evaluation the Usabiltiy of An Academic Marketing Department’s Website From A Marketing Student’s Perspective. International Retail and Marketing Review. Retrieved April 5, 2011. from:
http:// uir.unisa.ac.za/handle/10500/3031