WASET
    S. N. Vijayan and  S. Sendhil Kumar,  Theoretical Review on Influencing Factors in the Design of Parabolic Trough Collector.   journal   = {International Journal of Mechanical and Materials Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2017, vol. 131(11). 1847 - 1852
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10009001.