(3GdhSjW aj bGfhf GdELQGAGJ GdLfGFjIs (3GdLRA GdKGdK ,s (3GdfbV GdLfGFj hEYGOI GdfXQ (B/s - (3CMeO aJMj SQhQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 1984)
. 457-443 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3GdfbVs; (3bGfhf GdELQGAGJ GdLfGFjIs