(3GdGHOGY GdehGRi (B: s (3GdJMdjd GdfUi ddTYQ (B/ s - (3eMeO MeGSI YHOGddWjas ((3GdbGgQI (B: s (3OGQ ZQjH ddWHGYI hGdfTQ hGdJhRjY , s, 2001)
Keywords: (3GdGOH GdYQHis; (3GdTYQ GdYQHi (B- (3JGQjN hfbOs; (3GdTYQ GdYQHi (B- (3OhGhjf hbUGFOs