(3GdCNdGb aj GdbQBf GdcQje (B/ s - (3GdeMGej, eMeO cGed MSfs ((3HjQhJ (B:s (3efThQGJ GdecJH GdYGdej ddWHGYI hGdfTQ,s, 1992)
Keywords: (3GdbQBf GdcQje(B.s; (3GdBOGH GdESdGejI(B.s; (3GdaVGFd(B.s