(3aJGhi Yf GdcJH deLehYI ef GdYdeGA (B/s - (3GdTGjY, YHO GdEdg Hf YKeGf s 1393 (3gLQjG(B-s ((3GdQjGV (B:s (3OGQ GdUejYj,s, 2003)
Keywords: (3Gdabg GdESdGejs