WASET
    F. Calisir and  C. A. Gumussoy and  A. E. Bayraktaroglu and  E. Saygivar,  Usability and Functionality: A Comparison of Key Project Personnel's and Potential Users' Evaluations.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 1317 - 1321
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/7925.