(3GdQDjG GdebjOI OQGSGJ ai GdJaSjQ GdMVGQi ddGOH (B/ s - (3TcQi eMeO YjGOs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1978)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdbUI GdYQHjIs; (3JGQjN hfbOs