WASET
    Ahmad Rouhani,  Feasibility Study and Developing Appropriate Hybrid Energy Systems in Regional Level.   journal   = {International Journal of Computer and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 99(3). 270 - 277
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/10000574.