Anat Thapinta ,  The Optimum Aeration Time of Wastewater Treatment by Surface Aerators in Suan Sunandha Rajabhat University.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2014, vol. 91(7). 506 - 509
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/9999036.