(3GdWbS h GdefGN (B/ s - (3GdNWjH, GMeO Tajbs ((3HjQhJ (B:s (3ecJHI dHfGf,s, 1997)
Keywords: (3GdefGNs; (3GdGMhGd GdLhjgs; (3GWaGd eQMdg eJhSWg (B(6-9) (3SfhGJs