1. Abunayyan (Trading Corporation) and BRGM (Bureau de Recherches Géologiques et Minières) (2008). Investigations for updating the groundwater mathematical model(s) of the Saq overlying aquifers (main report) and (geology). Published by the Ministry of Water and Electricity in Saudi Arabia. Available at: http://www.scribd . com/doc/16845648/Saq-Aquifer-Saudi-Arabia-2008; http://www.scribd.com/doc/16769693/FR-Vol-13-Geology . Accessed on May 12, 2016.
2. Al-Salamah, I. S., Ghazaw, Y. M., & Ghumman, A. R. (2010). Groundwater modeling of Saq aquifer Buraydah Al Qassim for better water management strategies. Environmental Monitoring and Assessment, 173(1–4), 851–860.
3. Barnett, B., Townley, L. R., Post, V., Evans, R. E., Hunt, R. J., Peeters, L., Richardson, S., Werner, A. D., Knapton, A., & Boronkay, A. (2012). Australian groundwater modelling guidelines. National Water Commission, Canberra: Waterlines report.
4. Doherty, J. (1994). PEST—model independent parameter estimation (122 p). Corinda, Australia: Watermark Computing.
5. Fetter, C. W. (2001). Applied hydrogeology (4th ed.). Englewood Cliffs, NJ: Prentice Hall.