فهرس المقالات Commercial Factors حرية الوصول المقاله صفحة الملخص نص كامل 1 - Investigating the Effect of Commercial and Operational Factors on Competitiveness Improvement of Shahid Beheshti Port in Chabahar in Attracting Shipping Lines Mohammad Saeid Arbabi Hossein Vazifehdoust Karim Hamdi