(3GdMeGjI GdLfGFjI dSQjI GdMSGHGJ GdHfcjI aj GdbGfhf GdeUQj (B/s - (3eMehO cHjTs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 1996)
. 61 (3HHdjhLQGajG(B: (3UaMI(B.s
Keywords: (3GdLQGFe GdeJYdbI HGdTjcGJs; (3GdbGfhf GdLfGFjs