1. Al Rowaily, S. L. R. (1999). Rangeland of Saudi Arabia and the “tragedy of commons. Rangelands, 21(3), 27–29.
2. Aljaloud, A. A., Yan, T., & Abdulkader, A. M. (2011). Development of a national methane emission inventory for domestic livestock in Saudi Arabia. Animal Feed Science and Technology, 166–167, 619–627.
3. Al-Obaid, A.A. (2010). “King Abdullah’s Initiative for Saudi Agricultural Investment Abroad: A Way of Enhancing Saudi Food Security”. http://www.isdb.org/irj/go/km/docs/documents/IDBDevelopments/Internet/English/IDB/CM/Publications/IDB_AnnualSymposium/20thSymposium/8-AbdullaAlobaid.pdf , Accessed March 2016.
4. Al-Saleh, M. A. (1992). Declining groundwater level of the Minjur aquifer, Tebrak area, Saudi Arabia. Geographical Journal, 215–222.
5. Al-Tkhais, A. (2014). Food security options in Saudi Arabia. In Arab Environment 7: Food security challenges and prospects (ed. A-K Sadik, M. El-Solh & N. Saab). p. 94. 2014 Report of the Arab Forum for Environment and Development, Beirut, Lebanon.