(3GdYQH h eTcdI GdOhdI (B/ s - (3GdCjhHj, fRjg fUjas ((3HjQhJ (B:s (3OGQ GdSGbj,s, 1992)
Keywords: (3GdOhdIs; (3GdYdhe GdSjGSjIs; (3GdHdOGf GdYQHjIs