(3GdUdM aj fWGb bGfhf GdELQGAGJ GdLfGFjI GdLOjO Qbe (B174 (3dYGe (B1998 (3eY GdJYdjb Ydi CMOGK GdCMcGe (B/s - (3gOi MGeO bTbhTs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 1999)
. 104-99(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3JhMjO GdYbhHGJ GdSGdHI ddMQjIs