(3LQGFe GdSQbI (B:s (3GdLRA GddChd (B/s - (3HOhj, MfGs ((3dHfGf (B:s (3ecJHI Rjf GdMbhbjI h GdCOHjI T(B. (3e(B. (3e ,s, 2011)
(3HHdjhZQGajG (B: (3U(B.376-388s
Keywords: (3GdLQGFes; (3GdSQbIs; (3GdbGfhf s