References
- American Public Health Association (APHA) . 1992 . Standard Methods for the Examination of Water and Wastewater, , (17th ed.) Washington D.C., , USA
- Dames and Moore . 1987 . Toxic and Hazardous Waste Study , Final Report. Feasability Study on Treatment and Disposal of Toxic and Hazardous Wastes in Malaysia Malaysia : Department of the Environment .
- Metcalf & Eddy Inc. 1991 . Wastewater Engineering Treatment, Disposal and Reuse. , 3rd ed. , Edited by: Tchobanoglous , G. and Burton , F. New York : McGraw‐Hill, Inc. .