(3JGQjN GdShOGf GdbOje (B/ s - (3eMeO GHQGgje HcQs ([S.N] : (3ecJHI GdGfLdhGdeUQjI , s, 1984)
Keywords: (3GdYUQ GdMOjKs; (3JGQjNs; (3GdShOGfs