(3GQJbGA GdG fSGf (B/s - (3HQhfaScj , Ls; (3TNG TjQh , ehabs; (3GdcQej ,RgjQs ((3GdchjJ (B:s (3GdeLdS GdhWfj ddKbGaI hGdafhf hGdGOGH ,s, 1981)
Keywords: (3adSaI GdWHjYI s