1. Aßmann, D., Laumanns, U., Uh, D. (Eds.), 2006. Renewable Energy A Global Review of Technologies, Policies and Markets. Earthscan, 8-12 Camden High Street, London UK.
2. Renewable Energy Policies and Barriers;Beck,2004
3. Engineering Economy;Blank,2005
4. Insights into the Renewable Energy Market: A Brief Overview of Procurement Trends, Drivers, and Impacts of Voluntary Commercial Purchasers;Cook,2009
5. Power System Planning Technologies and Applications: Concepts, Solutions and Management;Elkarmi,2012