(3eOi GNJUGU GdbGVj GdEOGQj HJaSjQ GdeYGgOGJ GdOhdjI (B/s - (3YHO GdHGSW, eMeO aDGO s ((3HjQhJ (B: s (3GdOGQ GdLGeYjI, s, 1994)
(3HHdjhLQGajI (B: (3UaMI (B223-229. s
Keywords: (3GdGJaGbjGJ GdOhdjI s; (3GdGdJRGeGJ GdOhdjI s; (3GdbGfhf GdOhdj s