Hamed Qahri Saremi and Gholam Ali Montazer, Web Usability : A Fuzzy Approach to the Navigation Structure Enhancement in a Website System, Case of Iranian Civil Aviation Organization Website. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. April 2008, vol. 16(4). 1140 - 1145 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/3876.