Ong, W. S., and M. H. Zainulabidin. “Vibration Characteristics of Beam Structure Attached With Vibration Absorbers at Its Vibrational Node and Antinode by Finite Element Analysis”. JSE Journal of Science and Engineering, vol. 1, no. 1, Jan. 2020, pp. 7-16, doi:10.30650/jse.v1i1.519.