(3GdUgjhfjI GdYGdejI hGdQO Ydj GdacQ GdUgjhfj GdeYGUQ (B/s - (3eMehO OjGH s ((3eUQ (B:s (3eWHhYGJ GdTYH,s, 1976)
. 355-356 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdefGWb ZjQ GdeSJbdIs