(3GdfXGe GdbGfhfj dGfJbGd QDhS GdCehGd Hjf GdCbWGQ GdYQHjI (B/s - (3Ydj cQjejs ((3HjQhJ (B:s (3eQcR OQGSGJ GdhMOI GdYQHjI,s, 1990)
. 286-259 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3QCS GdeGds