(3GdGYJUGe (B/ s - (3GHhGSMb GHQGgje GdTGWHis; (3GMeO YHOGdTGais ([S.N] : (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY , s, 1991)
Keywords: (3GdGSdGes; (3GdTQjYI GdGSdGejIs; (3Gdabg GdGSdGeis; (3GdGNdGbs