WASET
    Nourhan A. Saad and  Sara Elgazzar and  Gehan Saleh,  The Impact of Implementing European Quality Labeling System on the Supply Chain Performance of Food Industry: An Empirical Study of the Egyptian Traditional Food Sector.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2016, vol. 117(9). 3161 - 3167
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10005452.