(3bVGjG heTGcd aj GdeTQhY GdYGe (B/s - (3eMeO YHO GdSejY Ydjs ((3eUQ (B:s (3GdefXeI GdYQHjI ddYdhe GdEOGQjI,s, 1977)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdEOGQjs