(3GdWGFQI hGdWjQGf (B/ s - (3GdNWjH, CMeO Tajbs ((3HjQhJ (B:s (3ecJHI dHfGf,s, 1990)
Keywords: (3GdWjQGfs; (3GdWGFQGJs; (3GWaGd eQMdg eJhSWg (B(6-9) (3SfhGJs