(3Sdhc GdeGdc aj JOHjQ GdeeGdc (B/s - (3GHh QHjY ,GMeO Hf eMeO s ((3HjQhJ (B:s (3JQGK YhjOGJ ,s, 1978)
(3HHdhZQGajG aj fgGjI GdUMGFas
Keywords: (3GdadSaI GdGSdGejI s