(3eHGOF GdbSe GdYGe ef GdJTQjY GdYbGHj GdeUQj(B/s (3JCdja GdOcJhQ QDha YjOs - (3QDha YjO s ([(3ZjQ eMOO(B]:s [(3ZjQ eMOO(B],s, 1962)
. 693:691(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3HHdjhLQGajGs
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdaQfSjIs
Keywords: (3bGfhf GdYbhHGJ (B- (3GdbSe GdYGes