فهرس المقالات Failure Behaviour حرية الوصول المقاله صفحة الملخص نص كامل 1 - Investigation on Failure Loads and Failure Modes for Two Parallel Pin-Loaded Holes Made from Unidirectional Glass-Epoxy Nanoclay Laminates sajjad dehghanpour keivan hosseini safari Farzan Barati Mohammadmahdi Attar