WASET
    Giwrgos S. Gkarmpounis and  Aikaterini G. Rokkou and  Marios N. Moschakis,  Evaluation of Energy Upgrade Measures and Connection of Renewable Energy Sources Using Software Tools: Case Study of an Academic Library Building in Larissa, Greece.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2019, vol. 147(3). 128 - 143
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10010113.