Mosa, G. A.; El-naggar, A. M.; Elbassiouny, A. F. Harmonic and Sub-Harmonic Resonance of MEMS Subjected to a Weakly Non-Linear Parametric and External Excitations. IJAMR 2013, 2 (2), 252-263. https://doi.org/10.14419/ijamr.v2i2.620.