(3ehShYI GdYeGQI GdGSdGejI (B/ s - (3YHOGdQMje ZGdHs ([S.N] : (3LQhS HQS , s, 1988)
Keywords: (3OhGFQ GdeYGQas; (3GdYeGQI GdGSdGejIs; (3GdGKGQ GdGSdGejIs; (3Gdaf GdGSdGeis