(3GdOYGhi GdGOGQjI (B: (3OYGhi GdGdZGA (B/ s - (3SGei LeGd GdOjfs ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1991)
Keywords: (3GdbGfhfs; (3GdbGfhf GdYGes; (3GdbGfhf GdGOGQis; (3GdbVGA GdGOGQjs