فهرست مقالات vulnerable households دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - The Socio-demographic Characteristics Associated with Food Insecurity among Vulnerable Households in a District of Tehran Mahmoud Ghazi Tabatabaei Nasrin Omidvar Jamileh Alihosseini Abouali Vedadhir