فهرس المقالات جعفر حقیقت المقاله 1 - Examining Subsidy Polices on Maize Production in Iran (Panel Data approach) Negin Hosseingholizadeh Jafar Haghighat Rassul Mohammadrezaei International Journal of Agricultural Management and Development , العدد 4 , السنة 4 , تابستان 2014