WASET
    Olga V. Krivobokova,  Evaluating Customer Satisfaction as an Aspect of Quality Management.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2009, vol. 29(5). 434 - 437
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/12004.