(3GbJUGOjGJ GdQYGjI GdUMjI (B.s - (3adO SJjf , Hhd s; (3YHO Gddg , eMeO MGeO (B.s ((3GdQjGV (B:s (3GdfTQ GdYdej ,s, 1999)
Keywords: (3GdNOeGJ GdUMjI (B- (3GbJUGOjI s