1. Spatial and temporal variations in water and sediment quality of Ona river, Ibadan, Southwest Nigeria;Adeogun;Eur. J. Sci. Res.,2012
2. The use of kriging techniques with in GIS environment to investigate groundwater quality in the Amman-Zarqa Basin/Jordan;Al-Mashagbah;Res. J. Environ. Earth Sci.,2012
3. Wpcf. Standard Methods for the Examination of Water Wastewater 20;Apha,1998
4. Standard Methods for the Examination of Water and Wastewater,2005