Khang, Nguyen Van, Trieu Quoc Loc, and Nguyen Anh Tuan. 2013. “Parameter Optimization of Tuned Mass Damper for Three-Degree-of-Freedom Vibration Systems”. Vietnam Journal of Mechanics 35 (3). Hanoi, Vietnam:215–224. https://doi.org/10.15625/0866-7136/35/3/3315.