فهرس المقالات National Building Code of Canada (NBCC) حرية الوصول المقاله صفحة الملخص نص كامل 1 - Evaluation of Torsional Single Story Structure During Earthquake According to Canadian provision Seiyed Ali Haj Seiyed Taghia Masoud Ebrahimi Abdoulreza Sarvghad Moghadamc