Kachapi, Sayyid H. Hashemi. “Nonclassical Analysis of Frequency and Instability for Piezoelectric Biomedical Nanosensor Based on Cylindrical Nanoshell”. Journal of Applied Nonlinear Dynamics, vol. 10, no. 1, Aug. 2026, pp. 1-27, https://doi.org/10.5890/JAND.2021.03.001.