Qiying Zhang and  Panpan Xu and  Hui Qian,  Irrigation Water Quality Evaluation in Jiaokou Irrigation District, Guanzhong Basin.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2021, vol. 169(1). 52 - 57
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10011777.