(3JMhd GdbQGQ GdEOGQj (B/ s - (3GdOjdej, eMeO YHO Gddg MehOs ((3YeGf (B:s (3OGQ GdYdejI ddfTQ h GdJhRjY,s, 2001)
Keywords: (3GdbQGQGJ GdEOGQjIs; (3GdbGfhf GdEOGQjs