Water and Wastewater Design and Research, C. E. (1997). How is Wastewater Treated? (Activated Sludge 1). Journal of Water and Wastewater; Ab va Fazilab (in persian), 8(2), 59–64. https://doi.org/10.22093/wwj.1997.174179
MLA
Water and Wastewater Design and Research, C. E. "How is Wastewater Treated? (Activated Sludge 1)", Journal of Water and Wastewater; Ab va Fazilab (in persian), 8, 2, 1997, 59–64. doi: 10.22093/wwj.1997.174179
HARVARD
Water and Wastewater Design and Research, C. E. (1997). 'How is Wastewater Treated? (Activated Sludge 1)', Journal of Water and Wastewater; Ab va Fazilab (in persian), 8(2), pp. 59–64. doi: 10.22093/wwj.1997.174179
CHICAGO
Water and Wastewater Design and Research, C. E., "How is Wastewater Treated? (Activated Sludge 1)." Journal of Water and Wastewater; Ab va Fazilab (in persian), 8 2 (1997): 59–64, doi: 10.22093/wwj.1997.174179
VANCOUVER
Water and Wastewater Design and Research C. E. How is Wastewater Treated? (Activated Sludge 1). Journal of Water and Wastewater; Ab va Fazilab (in persian). 1997;8(2):59–64 (In Persian). doi: 10.22093/wwj.1997.174179
