WASET
    Ntantos P.N and  Karpouzos D.K,  Application of Data Envelopment Analysis and Performance Indicators to Irrigation Systems in Thessaloniki Plain (Greece).   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2010, vol. 46(10). 714 - 720
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/7273.