1. Overland flow wastewater treatment at Easley, SC;Abernathy;Journal of Water Pollution Control Federation,1985
2. Standard Methods for the Examination of Water and Wastewater,1995
3. Small and Decentralized Wastewater Management Systems;Crites,1998
4. Rules and Regulations for Environmental Protection in Iran,2001
5. Theory and Practice of Water and Wastewater Treatment;Droste,1997