Kachapi, Sayyid H. Hashemi, and S. Gh. Hashemi Kachabi. “Double Walled Piezoelectric Nanoresonator: Nonclassical Controller Effects for Estimating of Stability and Nonlinear Vibration Analysis”. Journal of Applied Nonlinear Dynamics, vol. 14, no. 4, Aug. 2026, pp. 913-39, https://doi.org/10.5890/JAND.2025.12.012.