1. Basics of energy, in reference module in earth systems and environmental sciences;Thorin,2014
2. Samad T, Annaswamy AM. Control for Renewable Energy and Smart Grids. The Impact of Control Technology. 〈www.ieeecss.org〉, 2011.
3. Demand response and smart grids—a survey;Siano;Renew Sustain Energy Rev,2014
4. w3.tm.tue. Mini Hydro Power Basics. 〈w3.tm.tue.nl/fileadmin/tm/TDO/Indonesie/Hydro_Power.pdf〉. Acc (13.12.13).
5. 〈Wikiprdia.org〉. Hydroelectricity. 〈http://en.wikipedia.org/wiki/Hydroelectricity〉. Acc (25.10.13).