BGR and WAJ, “Groundwater Resources of Jordan, Vol. 3-Structural Features of the Main Hydro-geological Units in Northern Jordan, Water Authority of Jordan (WAJ) and Federal Institute for Geosciences and Natural Resources (BGR),” BGR-Archive, Vol. 57, No. 118702, 1994, p. 30.
 E. Salameh, “Over-Exploitation of Groundwater Resources and Their Environmental and Socio-Economic Implications: The Case of Jordan,” Water International, Vol. 33, No. 1, 2008, pp. 55-68. doi:10.1080/02508060801927663
 Ministry of Water and Irrigation, “National Water Master Plan.” Amman: Ministry of Water and Irrigation, The Hashemite King of Jordan. http://www.mwi.gov.jo/NWMP
 R. Krishna and S. M. A. Salman, “International Groundwater Law and the World Bank Policy for Projects on Tranboundary Groundwater,” In: Groundwater: Legal and Policy Perspectives: Proceedings of a World Bank Seminar, 1999.