(3JYdje GdcHGQ heTcdGJ GdYUQ (B( (3OdQGSI hbVGjG(B) / s - (3GHQGgje eMeO GHQGgjes ([S.N] : (3ecJHI GdGfLdhGdeUQjI , s, 1991)
Keywords: (3eUQs; (3GdJYdjes; (3JYdje GdcHGQs; (3GdJYdje GdYGdis