(3GdfKQ Gdafj aj GdYUQ GdYHGSj GdChd (B:s (3GJLGgGJg hJWhQg (B/s - (3GdTjN, eMeO YHO GdZfjs ((3WQGHdS (B- (3djHjG (B:s (3JhfS (B:s (3GdOGQ GdYQHjI ddcJGH ,s, 1988)
Keywords: (3GdfKQ GdYQHjs -- (3JGQjN hfbOs -- (3GdYUQ GdYHGSj GdChds