(3fXGe GdJUfja GdYTQj (B/ s - (3Ojhi, edajds; (3GdCNQS, eMehOs ((3YeGf (B:s (3LeYjI GdecJHGJ GdCQOfjI,s, 1979)
Keywords: (3GdcJHs; (3GdJUfjas