(3ehShYI JGQjN GdYdhe GdYQHjI (B/s - (3QGFO , QTOj (B.s; (3ehQdhf , QjLjS (B.s ((3HjQhJ (B: s (3eQcR OQGSGJ GdhMOI GdYQHjI , s, 1997)
Keywords: (3ehShYGJ s -- (3GdYdhe YfO GdYQH s