(3GdbGfhf GdOhdj GdEfSGfj (B:s (3hKGFb hBQGA (B/s - (3SYO Gddg, YeQ(B.s ((3YeGf, GdCQOf (B:s (3OGQ eLOdGhj ddfTQ hGdJhRjY,s, 2002)
(3HHdjhLQGajI (B: (3U(B. 439-442.s
Keywords: (3Mbhb GdEfSGf (B((3bGfhf Ohdj(B)s