(3GdLGeY dCMcGe GdbQBf (B/s - (3GdbQWHj, eMeO Hf CMeO GdCfUGQj,s (3Jhaj (B671 (3gLQjG(B.s; (3GdegOj , YHO GdQRGbs (3eMbb,s ((3HjQhJ (B:s (3OGQ GdcJGH GdYQHj,s, 1997)
Keywords: (3GdbQBfs -- (3JaGSjQ eCKhQIs