(3TQM bGfhf GdYbhHGJ(B:s (3GdLQGFe GdhGbYI Ydi GdGehGd(B/s - (3GdSYjO,cGeds ((3YeGf(B[(3GdCQOf(B]:s (3OGQ GdKbGaI ddfTQ hGdJhRjY,s, 2008)
Keywords: (3GdGehGd(B((3bGfhf LfGFj(B)s