(3GdEMcGe aj CUhd GdCMcGe (B/s - (3GdBeOj, Ydj Hf GHj Ydj Hf eMeO,s 384-456 (3gLQj(B.s ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1985)
Keywords: (3CUhd Gdabg GdESdGejs