(3eYGde ef GdbUI GdbUjQI aj ShQjI (B: s (3QjGOGJ h fUhU (B/ s - (3GdNWjH, MSGes ((3OeTb (B:s (3OGQ YdGA GdOjf,s, 1998)
Keywords: (3GdfbO GdCOHjs; (3GdQhGjGJs; (3ShQjIs