[1]
M. S. Rahman and A. Hossain, “Modified Harmonic Balance Method for Solving Nonlinear Free Vibration Problem of Beam Resting on Nonlinear Elastic Foundation”, JVTSD, vol. 3, no. 2, pp. 133–145, Aug. 2026, doi: 10.5890/JVTSD.2019.06.003.