(3eaJGM GdYdhe (B/ s - (3fYje RQRhQs; (3GdScGci SQGL GdOjf GHhjYbhHs ([S.N] : (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY , s, 1987)
Keywords: (3GdfMhs; (3GddZI GdYQHjIs; (3GdHdGZI GdYQHjIs