(3HfGA GdQhGjI (B- (3OQGSI ebGQfI dKdGKjI fLjH eMahX (B/ s - (3SjRG bGSes ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1984)
Keywords: (3GdGOH GdYQHis; (3GdbUI GdYQHjIs; (3JGQjN hfbOs