(3cJGH GdUhQ GdChd (B/ s - (3GdNWjH, TjQjf CMeOs ((3HjQhJ (B:s (3ecJHI dHfGf,s, 1977)
Keywords: (3dZI YQHjIs; (3OQGSI h JOQjSs; (3GWaGd eG bHd GdeOQSI (B(0-5) (3SfhGJs