فهرس المقالات Amin Nikkhah المقاله 1 - A Comparative Study of Energy Use and Greenhouse Gas Emissions of Canola Production 10.5455/ijamd.165294 Mehdi Khojastehpour Amin Nikkhah Davood Hashemabadi International Journal of Agricultural Management and Development , العدد 1 , السنة 5 , زمستان 2015