فهرس المقالات Physiographical effect حرية الوصول المقاله صفحة الملخص نص كامل 1 - Effects of Topographic Factors on Carbon Sequestration in Astragalus Gossypinus (Case Study of Bazan Region, Kermanshah Province) Ahmad Choupanian Mohammad Gheitury Mosayeb Heshmati Khadijed Mahdavi Mohammad Mahdavi