(3LfhM GdCWaGd (B:s (3GdbVjI hGdMdhd (B/s - (3GdJhjLQj, YHO GdYRjR Hf YKeGfs ((3GdQHGW (B:s (3GdefXeI GdESdGejI ddJQHjI hGdYdhe hGdKbGaI, EjSjSch,s, 1997)
(3GdfU HGddZJjf GdYQHjI hGdEfLdjRjI(B.s
Keywords: (3LfGM GdCMOGKs; (3GdLQjeI hGdeLQehfs