(3GdfHGJGJ GdWHjI h ESJYeGdGJgG (B/ s - (3GdYhQGJ, eMeOs; (3dMGe, LhQLs ((3OeTb (B:s (3GdCgGdj ddfTQ h GdJhRjY,s, 1988)
Keywords: (3GdWH GdTYHjs; (3GdfHGJGJ GdWHjIs