فهرس المقالات Arman Gholamreza BanadCooki المقاله 1 - Analysis of Free Vibration Sandwich Panels with trapezoidal Corrugated Core Based on Galerkin Method Arman Gholamreza BanadCooki J.Rezaei Pazhand Analytical and Numerical Methods in Mechanical Design , العدد 1 , السنة 1 , بهار 2022