Norazah Mohd Suki and  Norbayah Mohd Suki,  Service Quality vs. Customer Satisfaction: Perspectives of Visitors to a Public University Library.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2013, vol. 74(2). 338 - 342
    [viewed 17 February 2020]. Available from: https://publications.waset.org/pdf/3586.