(3GdfXGe GdChQhHj dMeGjI Mbhb GdEfSGf (B/ s - (3eMeO Gejf GdejOGfjs ((3YeGf (B:s (3OGQ GdHTjQ,s, 1989)
. 124-117 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3Mbhb GdEfSGfs; (3GdbGfhf GdOhdj GdYGes