Water and Wastewater Design and Research, C. E. (1997). How is Wastewater Treated? (Activated Sludge 2). Journal of Water and Wastewater; Ab va Fazilab ( in persian ), 8(3), 45-49. doi: 10.22093/wwj.1997.174188
MLA
Consultant Engineers Water and Wastewater Design and Research. "How is Wastewater Treated? (Activated Sludge 2)". Journal of Water and Wastewater; Ab va Fazilab ( in persian ), 8, 3, 1997, 45-49. doi: 10.22093/wwj.1997.174188
HARVARD
Water and Wastewater Design and Research, C. E. (1997). 'How is Wastewater Treated? (Activated Sludge 2)', Journal of Water and Wastewater; Ab va Fazilab ( in persian ), 8(3), pp. 45-49. doi: 10.22093/wwj.1997.174188
VANCOUVER
Water and Wastewater Design and Research, C. E. How is Wastewater Treated? (Activated Sludge 2). Journal of Water and Wastewater; Ab va Fazilab ( in persian ), 1997; 8(3): 45-49. doi: 10.22093/wwj.1997.174188