Takdastan,A. , , Movahedian Attar,H. , and Bina,B. . "Evaluation of Digested Sludge Sanitary Indices in Isfahan Wastewater Treatment Plants and Comparing to Environmental Standards for Reuse", Journal of Water and Wastewater; Ab va Fazilab (in persian), 11, 4, 2001, 18-24. doi: 10.22093/wwj.2001.175699