Water and Wastewater Design and Research, C. E. (1998). How is Wastewater Treated? (Activated Sludge 5). Journal of Water and Wastewater; Ab va Fazilab (in persian), 9(2), 47–51. https://doi.org/10.22093/wwj.1998.174491
MLA
Water and Wastewater Design and Research, C. E. "How is Wastewater Treated? (Activated Sludge 5)", Journal of Water and Wastewater; Ab va Fazilab (in persian), 9, 2, 1998, 47–51. doi: 10.22093/wwj.1998.174491
HARVARD
Water and Wastewater Design and Research, C. E. (1998). 'How is Wastewater Treated? (Activated Sludge 5)', Journal of Water and Wastewater; Ab va Fazilab (in persian), 9(2), pp. 47–51. doi: 10.22093/wwj.1998.174491
CHICAGO
Water and Wastewater Design and Research, C. E., "How is Wastewater Treated? (Activated Sludge 5)." Journal of Water and Wastewater; Ab va Fazilab (in persian), 9 2 (1998): 47–51, doi: 10.22093/wwj.1998.174491
VANCOUVER
Water and Wastewater Design and Research C. E. How is Wastewater Treated? (Activated Sludge 5). Journal of Water and Wastewater; Ab va Fazilab (in persian). 1998;9(2):47–51 (In Persian). doi: 10.22093/wwj.1998.174491
