(3UhQI GdaQfSj aj GdQhGjI GdeZQHjI (B/s - (3Mfhf ,YHO GdeLjO s ((3GdLRGFQ (B:s (3OjhGf GdeWHhYGJ GdLGeYjI ,s, 1986)
Keywords: (3GdQhGjI s; (3GdaQfSj s; (3GdeZQHjI s; (3UhQI s