Water and Wastewater Design and Research, C. E. (1998). How is Wastewater Treated? (Activated Sludge 6). Journal of Water and Wastewater; Ab va Fazilab ( in persian ), 9(3), 52-56. doi: 10.22093/wwj.1998.174660
MLA
Consultant Engineers Water and Wastewater Design and Research. "How is Wastewater Treated? (Activated Sludge 6)". Journal of Water and Wastewater; Ab va Fazilab ( in persian ), 9, 3, 1998, 52-56. doi: 10.22093/wwj.1998.174660
HARVARD
Water and Wastewater Design and Research, C. E. (1998). 'How is Wastewater Treated? (Activated Sludge 6)', Journal of Water and Wastewater; Ab va Fazilab ( in persian ), 9(3), pp. 52-56. doi: 10.22093/wwj.1998.174660
VANCOUVER
Water and Wastewater Design and Research, C. E. How is Wastewater Treated? (Activated Sludge 6). Journal of Water and Wastewater; Ab va Fazilab ( in persian ), 1998; 9(3): 52-56. doi: 10.22093/wwj.1998.174660