(3bUI GdHQdeGf GdeUQi (B/ s - (3jhfGf dHjH QRbs ([S.N] : (3OGQ GdgdGd ddWHGYI hGdfTQ , s, 1991)
Keywords: (3eUQs; (3JGQjNs; (3GdJGQjNs; (3GdgjFGJ GdJTQjYjIs; (3GdHQdeGfs