(3GdeTJQc GddZhj (B:s (3fXQjI hJWHjbG (B/s - (3TGgjf, Jhajb eMeOs ((3GdbGgQI (B:s (3OGQ GdOYhI GdESdGejI,s, 1980)
(3HHdjhLQGajI (B: (3U(B. 389-394.s
Keywords: (3GddZI GdYQHjIs -- (3eJQGOaGJ hCVOGOs; (3GddZI GdYQHjIs -- (3GTJbGbs