Water and Wastewater Design and Research, C. E. (1998). How is Sewage Treated? (Activated Sludge 3). Journal of Water and Wastewater; Ab va Fazilab (in persian), 8(4), 60–65. https://doi.org/10.22093/wwj.1998.174220
MLA
Water and Wastewater Design and Research, C. E. "How is Sewage Treated? (Activated Sludge 3)", Journal of Water and Wastewater; Ab va Fazilab (in persian), 8, 4, 1998, 60–65. doi: 10.22093/wwj.1998.174220
HARVARD
Water and Wastewater Design and Research, C. E. (1998). 'How is Sewage Treated? (Activated Sludge 3)', Journal of Water and Wastewater; Ab va Fazilab (in persian), 8(4), pp. 60–65. doi: 10.22093/wwj.1998.174220
CHICAGO
Water and Wastewater Design and Research, C. E., "How is Sewage Treated? (Activated Sludge 3)." Journal of Water and Wastewater; Ab va Fazilab (in persian), 8 4 (1998): 60–65, doi: 10.22093/wwj.1998.174220
VANCOUVER
Water and Wastewater Design and Research C. E. How is Sewage Treated? (Activated Sludge 3). Journal of Water and Wastewater; Ab va Fazilab (in persian). 1998;8(4):60–65 (In Persian). doi: 10.22093/wwj.1998.174220
