فهرس المقالات Unique Value-Added حرية الوصول المقاله صفحة الملخص نص كامل 1 - A Novel Model in Optimal Decision Making to Investment in the Industry with Regard to the Role of Unique Value-Added to Optimizing the Total Expected Cost Index Javad Khamisabadi Mahmud Majd Mohsen Naghedi Baradaran Mohammad Reza Motamed