A. Jaderstrom, “Coordinated Regulation of Wind Power and Hydro Power with Separate Ownership,” Master’s Degree Project, Department of Electrical Engineering, Royal Institute of Technology, Stockholm, 2004.
 J. Matevosyan, “On the Coordination of Wind and Hydro Power,” The International Workshop on Large Scale Integration of Wind Power into Power Systems as well as on Transmission Networks for Offshore Wind Farms, Sweden, 2008.
 J. Matevosyan, Z. Bockarjova, M. Zima and L. Soder, “Sharing of Profit from Coordinated Planning and Bidding of Hydro and Wind Power,” IEEE Transaction on Power Systems, Vol. 25, No. 3, 2009, pp. 1663-1673.
 K.-O. Vogstad, H. Holttnen, A. Botterud and J. O. G. Tande, “System Benefits of Coordinating Wind Power and Hydro Power in Deregulating Market,” Proceeding of Wind Power for the 21st Century, Kasel, 2000.
 J. Matevosyan, M. Olsson and L. Soder, “Hydro Power Planning Coordinated with Wind Power in Areas with Congestion Problems for Trading on the Spot and the Regulating Market,” Electrical Power Systems Research, Vol. 79, 2009, pp. 39-48. doi:10.1016/j.epsr.2008.05.019
 M. Ali, J. Matesovyan, J. V. Milanovic and L. Soder, “Effect of Wake Consideration on Estimated cost of Wind Energy Curtailment,” 8th International Workshop on Large Scale Integration of Wind Power, Bremen, 14-15 October 2009.
 M. Olsson, J. Matevosyan and L. Soder, “Short Term Hydro Power Planning Coordinated with Wind Power in Areas with Cogestion Problems,” Proceedings of 2006 International Workshop on Large Scale Integration of wind Power and Transmission Networks for Offshore Wind Farms, Delft, 26-28 October 2006
 K.-O. Vogstad, “Utilizing the Complementary Characteristics of Wind Power and Hydro Power through Coordinate Hydro Production Scheduling Using EMPS Model,” Proceeding of Nordic Wind Energy Conference, Trondheim, 13-14 March 2000.
 S. Papaefthimiou, E. Karamanou and S. Papathanassiou, “Operating Policies for Wind pumped-Storage Hybrid Power Stations in Islands Grids,” IET Renewable Power Generation, Vol. 3, No. 3, 2009, pp. 293-307. doi:10.1049/iet-rpg.2008.0071
 N. A. Zaighama, Z. A. Nayyarb and N. Hisamuddin, “Review of Geothermal Energy Resources in Pakistan,” Renewable and Sustainable Energy Reviews, Vol. 13, No. 1, 2009, pp. 223-232. doi:10.1016/j.rser.2007.07.010