WASET
    Ali M. Jawarneh,  Beam and Diffuse Solar Energy in Zarqa City .   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2012, vol. 64(4). 843 - 847
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/2890.