WASET
    Yen-Yiu Liu and  Richard J. Haynes,  Long-term Irrigation with Dairy Factory Wastewater Influences Soil Quality.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2010, vol. 46(10). 464 - 468
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/10799.