(3MeGjI Mb GdeDda ai VhA ESJNOGe GdHK GdaVGFi ddHQGeL HGdCbeGQ GdUfGYjI (B: s (3eTcdI JfGRY GdbhGfjf (B/ s - (3UdGM GdOjf LeGd GdOjfs ((3GdCScfOQjI (B: s (3OGQ GdacQ GdLGeYi,s, 2004)
. 57-51 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3JfGRY GdbhGfjfs; (3GdbGfhf GdOhdj GdNGUs