1. APHA, 1980. Standard methods for the examination of water and wastewater, 15th ed. American Public health Association, Washington, DC
2. Equilibrium studies on adsorption of basic dyes on hard wood;Asfour;J. Chem. Technol. Biotechnol.,1985
3. Ozonation to decolour textile effluents;Benzedits;Amer. Dye Stuff Rep.,1980
4. Dye adsorption by a new low-cost material: Congored-1;Deo;Indian J. Environ. Prot.,1993
5. Removal of chrome dye in aqueous solution by mixed adsorbents: Fly ash and coal;Guptha;Water Res.,1990