1. Standard Methods for the Examination of Water and Wastewater;APHA,1998
2. Subsurface Flow Constructed Wetlands for Wastewater Treatment – A Technological Assessment;EPA,1993
3. Effect of hydraulic loading rate on the removal efficiency in a constructed wetland in subtropical China;Chang;Fresenius Environ. Bull.,2007
4. Effect of hydraulic retention time on the treatment of secondary effluent in a subsurface flow constructed wetland;Deblina;Ecol. Eng.,2010
5. Constructed wetland systems (CWS) for wastewater treatment;Farooqi,2007