فهرس المقالات Three-layer beam حرية الوصول المقاله صفحة الملخص نص كامل 1 - Vibrations of Multi-Layer Beam with Nanocomposite Face Sheets Reinforced with Graphene Platelets and Porous Core A Mihankhah Zahra Khoddami Maraghi Ali Ghorbanpour Arani Shahriar Niknejad https://doi.org/10.60664/jsm.2023.2091751