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• Rad.Firooz Investigation of trends to fertility and the related social factors (A case study of married women 15 to 50 years in Tabriz) [ Vol.5, Issue 17 - Winter Year 1391]
• Rad.Firooz The investigation of social factors related to the technical students’ entrepreneurship spirit in Mahabad Islamic Azad University [ Vol.5, Issue 15 - Summer Year 1391]