(3GdacQ GdefWbj GdGSdGej (B:s (3OQGSI aj LghO GHf MRe GdGfOdSj (B/s - (3aQMGf , eMeO LdhH s ((3LGeYI GdehUd (B:s (3OGQ GdcJH ddWHGYI hGdfTQ ,s, 1988)
Keywords: (3GdadSaI GdGSdGejIs