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.