1. Afina NAM, Othman AK, Ahmad DM (2015) The water quality study and sources of pollution in Alur Ilmu, UKM. Malays J Anal Sci 19(5):1137–1146
2. APHA (2005) Standard methods for the examination of water and wastewater, 21st edn. American Public Health Association, Washington, DC
3. Bashyal S (2010) Wastewater treatment by floating and emergent aquatic macrophytes in artificial wetland system. Sunmoon University, Asan
4. Brezonik PL, Stadelmann TH (2002) Analysis and predictive models of stormwater runoff volumes, loads, and pollutant concentrations from watersheds in the Twin Cities metropolitan area, Minnesota, USA. Water Res 36:1743–1757
5. Chong WL (1999) Effluent study of oxidation sewage pond and drainage system around National University of Malaysia(UKM) campus. National University of Malaysia, Bangi (in Malay)