(3GdGUeYi GddZhi (B: (3UhQI YQGbjI ai GdbQf GdKGfi GdgLQi (B/ s - (3YHOGdMejO GdTdbGfis ([S.N] : (3OGQ GdeYGQa , s, 1982)
Keywords: (3GdGOH GdYQHis; (3GddZI GdYQHjIs; (3GdYQGbs