Muhammed A. Ahmed and  Sidra A. Shaikh,  Solar Radiation Studies for Dubai and Sharjah, UAE.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 130 - 137
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/4623.