(3GdfXGe GdbGfhfi dMeGjI GdCWaGd GdebGJdjf ai GdbGfhf GdOhdi GdEfSGfi (B:s (3OQGSI GdMGdI ai GaQjbjG (B/s - (3UdGM eMeO eMehO GdeZQHis ((3HfZGRi (B:s (3OGQ ecJHI GdajVd ddfTQ h GdJhRjY,s, 2011)
. 353-333 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3Mbhb GdEfSGfs; (3GdbGfhf GdOhdj GdYGes