(3GdWjQGf GdeOfi (B: s (3GdGMcGe GdYGeI hGdfbd GdLhi (B/ s - (3GMeO YHOGddWja ZWGTIs ((3GdGQOf (B: s (3OGQ UaGA ddfTQ hGdJhRjY , s, 2002)
Keywords: (3GdbGfhf GdLhis; (3GdWGFQGJs; (3GdWjQGf GdeOfis; (3GdWjQGf GdeOfi (B- (3JfXje hGOGQIs