%0 Journal Article %A Shokoohi, Reza, Dargahi, Abdollah, Karami, Amir %T A Survey on Efficiency of Natural Wastewater Treatment Systems and Activated Sludge for Municipal Wastewater Treatment %J Journal of Environmental Science and Technology %V 22 %N 1 %P 15-25 %D 2020 %R 10.30495/jest.2018.15742.2426 %U https://sanad.iau.ir/fa/Article/837523