1. Water Supply Engineering Design;Al-Layla,1980
2. Standard Methods of the Examination of Water and Wastewater;American Public Health Association (APHA),1998
3. Coagulation processes: destabilization, mixing and flocculation;Armirtharajah,1990
4. Effects of human activities on WaterQuality in Lunyangwa River basin, Mzuzu, Malawi;Banda,2001
5. Cold water effects on enhanced coagulation of high DOC, low turbidity water;Braul;Can. J. Water Qual. Res.,2001