فهرس المقالات Polygonal cutout حرية الوصول المقاله صفحة الملخص نص كامل 1 - Determination of the Effective Parameters for Perforated Functionally Graded Plates with Polygonal Cutout by Analytical Solution M Jafari M. H Bayati Chaleshtari H Abdolalian 10.22034/jsm.2019.584898.1395