Mohammad, S. I., Nijalingappa, Y., Bustanji, S. A., William, P., Vasudevan, A., & Al-Fawwaz, T. M. (2026). Interval type-2 fuzzy fractional harmonic-balance optimization of a quasi-zero-stiffness isolator for robust low-frequency vibration suppression. Sound & Vibration, 60(6). https://doi.org/10.59400/sv4679