WASET
    Kemal Çomakli and  Uğur Çakir,  A Comparative Study of Vapour Compression Heat Pump Systems under Air to Air and Air to Water Mode.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2012, vol. 67(7). 1125 - 1129
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/3287.