1. Anon, Natural Resources Authority, Basic information on oil shale in Jordan, 1995, Amman, Jordan.
2. G.C. Speers, El-Lujjun oil shale deposit, Report No. EPR/R 7005, 1969, British Petroleum, London, UK.
3. M. Abu Ajamieh, An assessment of the El-Lujjun oil shale deposit, 1980, Natural Resources Authority, Amman, Jordan.
4. Exploitation of Jordanian oil shales;Jaber;Applied Energy,1997
5. Anon, Ministry of Energy and Mineral Resources, Annual Reports 1990–1995, Amman, Jordan.