WASET
    H. Juma and  F. Al-hujaili and  R. Kashani,  Numerical and Experimental Analyses of a Semi-Active Pendulum Tuned Mass Damper.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2021, vol. 176(8). 375 - 381
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10012154.