WASET
    İ. Kıyak and  G. Gökmen,  Increase Energy Savings with Lighting Automation Using Light Pipes and Power LEDs.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2013, vol. 79(7). 896 - 903
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/16431.