E. G. Bekele and H. V. Knapp, “Hydrologic Modeling of Fox Watershed: Model Development, Calibration, and Validation,” Proceedings of the World Environmental and Water Resources Congress, Honolulu, Hawaii, 12-15 May 2008, pp. 1-10. doi:10.1061/40976(316)588
 S. K. Jain, and K. P. Sudheer, “Fitting of Hydrologic Models: A Close Look at the Nash-Sutcliffe Index,” Journal of Hydrologic Engineering, Vol. 13, No. 10, 2008, pp. 981-986. doi:10.1061/(ASCE)1084-0699(2008)13:10(981)
 B. Schmalz, F. Tavares and N. Fohrer, “Modeling Hydrological Processes in Mesoscale Lowland River Basins with SWAT-Capabilities and Challenges,” Hydrological Sciences Journal, Vol. 53, No. 5, 2008, pp. 989-1000. doi:10.1623/hysj.53.5.989
 S. N. Ngigi, “Hydrological Impacts of Land Use Changes on Water Resources Management and Socio-economic Development of Upper Ewaso Ng’iro River Basin in Kenya,” PhD Thesis, Delft University of Technology, Netherlands, 2006.
 M. K. Thomas, H. P. Liniger and F. N. Gichuki, “Development of a Stream flow Model for Rural Catchments in Kenya,” Proceedings of the Fourth National Workshop on Land and Water Management in Kenya: Towards Sustainable Land Use, Kikuyu, Kenya, 15-19 February 1993, pp. 191-202.
 J. M. Gathenya, H. P. Liniger and F. N. Gichuki, “Problems of River-Water Management for a Basin West of Mount Kenya: Challenge to Water Resource Planners,” Proceedings of the Fourth National Workshop on Land and Water Management in Kenya: Towards Sustainable Land Use, Kikuyu, Kenya, 15-19 February, 1993, pp 175-180.
 S. L. Neistsch, J. G. Arnold, J. R. Kiniry and J. R. Williams, “Soil Water Assessment Tool Theoretical Documentation (version 2005),” Grassland Soil and Water Research Laboratory, Temple, Texas, 2005, pp. 1-27.
 A. Stehr, A. P. Debeles, F. Romero and H. Alcayaga, “Hydrological Modeling with SWAT under Conditions of Limited Data Availability: Evaluation of Results from Chilean Case Study,” Hydrological Sciences Journal, Vol. 53, No. 5, 2008, pp. 588-601. doi:10.1623/hysj.53.3.588
 G. Andualem and M. Yonas, “Prediction of Sediment Inflow to Legedadi Reservoir Using SWAT Watershed and CCHELD Sediment Transport Models,” Nile Basin Water Engineering Scientific Magazine, Vol. 1, 2008, pp. 66-74.
 E. Levesque, F. Anctil and A. Van Griensven, “Evaluation of the Streamflow Simulation by SWAT Model for Two Small Watersheds under Snowmelt and Rainfall,” Hydrological Sciences Journal, Vol. 53, No. 5, 2008, pp. 961-976. doi:10.1623/hysj.53.5.961
 R. Rostamian, A. Jaleh, M. Afyuni, S. F. Mousavi, M. Heidarpour, A. Jalalian and K. C. Abbaspour, “Application of a SWAT Model for Estimating Runoff and Sediment in Two Mountaneous Basins in Central Iran,” Hydrological Sciences Journal, Vol. 53 No. 5, 2008, pp. 977-988.
 P. W. Gassman, M. R. Reyes, C. H. Green and J. G. Arnold, “The Soil Water Assessment Tool: Historical Development, Applications and Future Research Directions,” Transactions of the ASABE, Vol. 5, No. 4, 2007, pp. 1211-1250.
 P. M. A. Odira, M. O. Nyadawa, B. Okello, N. A. Juma and J. P. O. Obiero, “Impact of Land Use/Cover dynamics on Stream flow: A Case Study of Nzoia River Catchment, Kenya,” Nile Water Science and Engineering Journal, Vol. 3, No. 2. 2010, pp. 64-78.
 M. P. Tripathi, R. K. Panda and N. S. Raghuwanshi, “Development of Effective Management Plan for Critical Sub Watersheds using SWAT Model,” Hydrological Process., Vol. 19, No. 3, 2005, pp. 809-826.
 F. Githui, F. Mutua and W. Bauwens, “Estimating Impacts of Land Cover Change on Runoff using the Soil water Assessment Tool (SWAT): Case study of Nzoia Catchment, Kenya,” Hydrological Sciences Journal, Vol. 54, No. 5, 2009, pp. 899-908. doi:10.1623/hysj.54.5.899
 D. N. Moriasi, J. G. Arnold, M. W. Van Liew, R. L. Binger, R. D Harmel and T. L. Veith, “Model Evaluation Guidelines for Systematic Quantification of Accuracy in Watershed Simulations,” Transactions of the American Society of Agricultural and Biological Engineers (ASABE), Vol. 50, No. 3, 2007, pp. 885-900.
 B. Schmalz, F. Tavares and N. Fohrer, “Modelling Hydrological Processes in Mesoscale Lowland River Basins with SWAT-Capabilities and Challenges,” Hydrological Sciences Journal, Vol. 53, No. 5, 2008, pp. 989-1000. doi:10.1623/hysj.53.5.989