Mohammad Soliman and  Mohamed A. Abou-Shouk,  Knowledge Management and Tourism: An Exploratory Study Applied to Travel Agents in Egypt.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 110(2). 562 - 569
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10003735.