1. L. Steven, Brunton, Clarence, W. Rowley1, Sanjeev, R. Kulkarni and Charles Clarkson, Maximum Power Point Tracking For Photovoltaic Optimization Using Extremum Seeking, Princeton University, Princeton.2005.
2. Photovoltaic Solar Technology Creating Electricity From Sunlight, SEIA, Www.seia.Org, 2/4/2010.
3. Carlos Alexandre, Gomes Da Costa, Optimization Approach to The Design And Trajectory Planning of Sun Tracking Photovoltaic Power Plant, Technical University Of Lisbon, Instituto Superior Técnico, Department Of Mechanical Engineering,Novembre 2010.
4. Office National De Météo ONM, Wilaya D’ouargla, 2008.
5. Hemat Tributsch, Photovoltic Hydrogen Generation. International Journal Of Hydrogen Energy, 33, 2008, P. 5911-5930.