WASET
    Ali Kheyroddin and  Niloufar Mashhadiali and  Frazaneh Kheyroddin,  Optimum Design of Tall Tube-Type Building: An Approach to Structural Height Premium.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2018, vol. 138(6). 677 - 681
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/10009166.