1. Review of uranium in the Jordanian phosphorites: distribution, genesis and industry;Abed;Jordan J. Earth Environ. Sci.,2012
2. Al Hunjul, N., 1995. The Geology of Madaba area. Map Sheet No. 3153II. Bulletin of the Natural Water Authority, Amman, Jordan.
3. Alali, J., Abu Salah, A., Yasin, S., Al Omari, W., 2006. Oil Shale. Natural Resources Authority Internal Report, (NRA), Amman, Jordan.
4. Anthony, J., Bideaux, R., Bladh, K., Nichols, M. (Eds.), 2010. Handbook of Mineralogy, Mineralogical Society of America, Chantilly, VA 20151-1110, USA.
5. Barjous, M., 1986. The Geology of Siwaqa, Bull. 4, NRA, Amman–Jordan.