WASET
    Brent McKenzie and  Victoria Taylor,  The Use of Electronic Shelf Labels in the Retail Food Sector.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 110(2). 627 - 630
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10003860.