MPR, The atlas of the climate and ground water resources in the Mongolian People's Republic, ed. D. Tuvdendorj and B. Myagmarjav. 1985, Ulaanbaatar city: 10th factory of DUDK. 12.
 MPR, Schematization of integrated water resources management of the Selenge River basin, ed. E. Damba. 1986, Ulaanbaatar city: Administration of geodesy and cartography. 7.
 MAS, The national atlas of the Mongolian People's Republic, ed. N. Sodnom and Y.A. L. 1990, Ulaanbaatar city: Cartographic factory of the Minsk city. 60.
 Basandorj, D. and G. Davaa, Tuul River basin of Mongolia-Integrated water resource management. First edition ed. 2006, Ulaanbaatar: Interpress.
 Altansukh, O., River flow and quality modeling-A case study in Tuul River, in Department of Geoecology-Environmental Science. 2010, National University of Mongolia: Ulaanbaatar city. p. 108.
 MAS-IG, Mongolian national atlas, ed. D. Dorjgotov. 2009, Ulaanbaatar city: Institute of Geography. 112.
 WA, Mongolian river catchment area, MNET, Editor. 2009, Ministry of Nature, Environment and Tourism: Ulaanbaatar city.
 Altansukh, O., Surface water database of Mongolia, in updated every 4 year. 2009, Environmental Information Center.
 NGIC, Geoinformation atlas of the environment, ed. T. Banzragch and S. Khudulmur. 2010, Ulaanbaatar city. 47.
 Bastawesy, M.A.E., R.R. Ali, and A.H.Nasr, The use of remote sensing and GIS for catchments delineation in northwestern coast of Egypt: An assessment of water resources and soil potential. The Egyptian journal of remote sensing and space sciences, 2008. 11: p. 3-16.
 Donia, N., Application of remotely sensed imagery to watershed analysis; A case study of Lake Karoun catchment, Egypt, in Thirteenth International Water Technology Conference. 2009, IWTC: Hurghada, Egypt. p. 1035-1049.
 Dashdeleg, N. and B. Bat, Mongolian rivers. 1971, Ulaanbaatar city: Sukhbaatar press.
 Altansukh, O. and G. Davaa, Application of Index Analysis to Evaluate the Water Quality of the Tuul River in Mongolia. Journal of Water Resource and Protection 2011. 6(3): p. 398-414. doi:10.4236/jwarp.2011.36050
 Myagmarjav, B. and G. Davaa, Surface water of Mongolia. First edition ed. 1999, Ulaanbaatar city: Interpress.
 Jarvis, A., et al., Hole-filled seamless SRTM data V4. 2008, International Centre for Tropical Agriculture (CIAT).
 NASA, Land Processes Distributed Active Archive Center (LPDAAC)-ASTER GDEM L1B. 2001, USGS/Earth Resources Observation and Sciences (EROS) Center.
 ESRI, ArcHydro-GIS for water resources, ed. D.R. Maidment. 2002, California: ESRI. 203.
 Koolhoven, W., J. Hendrikse, and W. Nieuwenhuis, ILWIS. 2007, ITC: Enschede.
 By, R.A.d., R. A.Knippers, and M. J.C.Weir, Principles of geographic information systems. 3rd edition ed. An introductory textbook, ed. R.A.d. By. 2004, Enschede: ITC. 483.
 Maathuis, B.H.P., DEM based hydro-processing. 1 ed, ed. I.I.f.G.-I.S.a.E.O. (ITC). 2007, Enschede: ITC. 74.
 Maathuis.B.H.P and Wang.L, Digital elevation model based hydro-processing. Geocarto-International, 2006. 21(1).doi:10.1080/10106040608542370.
 ESRI, ArcHydro-Tools and Tutorial. 2009, New York: ESRI. 131.
 Jadambaa, N., Map of the underground water resource in Tuul River basin. 2009, MAS-Institute of Geoecology: Ulaanbaatar city.
 Khudulmur, S., Tuul River basin map. 2009, NGIC project: Ulaanbaatar city.