pourkhabbaz, hamidreza, azizi, azin, javanmardi, saeide, Pourkhabbaz, Ali Reza (2022). Environmental and Sanitary Risk Assessment of the waste water treatment plant in west of Ahwaz Using AHP and TOPSIS methods. *Journal of Environmental Science and Technology*, 24(1), 263-276. 10.22034/jest.2021.29334.3793