فهرس المقالات Mohammad Mahdi kheirikhah المقاله 1 - Free vibration analysisof soft-core composite-faced sandwich plates using three-dimensional finite element method Mohammad Mahdi Kheirikhah Hasan Aghabarati Pooneh Khosravi Journal of Structural Engineering and Geotechnics , العدد 4 , السنة 5 , تابستان 2015