(3cJGH dH GdGdHGH ai JMQjQ GdGfSGH (B/s - (3GdSjhWi (B: (3LdGd GdOjf GHhGdaVd YHOGdQMef Hf GHi HcQ Hf eMeO GdNVjQis ([S.N] : (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY , s, 1991)
Keywords: (3GdGfSGf hGdGYQGbs