(3hSGFd GdGJUGd hGdJcfhdhLjG aj GdJYdje (B/s - (3SdGeI, YHO GdMGaX eMeO(B.s ((3YeGf, GdCQOf (B:s (3OGQ GdacQ ddWHGYI hGdfTQ hGdJhRjY,s, 1998)
(3HHdjhLQGajI (B: (3U(B. 557-565.s
Keywords: (3GdhSGFd GdJYdjejIs; (3JcfhdhLjG GdJYdjes