(3eYGde GdYbdGfjI hGdNQGaI ai GdacQ GdSjGSi GdYQHi (B/ s - (3aGdM YHOGdLHGQs ([S.N] : (3OGQ GdSGbi , s, 1992)
Keywords: (3GdGLJeGYs; (3GdMQH hGdeLJeYs; (3GdMQcGJ GdGLJeGYjIs; (3Yde GdGLJeGY GdSjGSis