(3Odjd GdUMai ai GdYGde GdKGdK (B/ s - (3gSJQ(B, (3GdHQJ ds; (3ceGd YHO GdQDhas; (3Jh, hGi dGf L (B0s ([S.N] : (3GdOGQ GdOhdjI ddfTQ hGdJhRjY , s, 1989)
Keywords: (3GdJYdjes; (3GdLhGfH GdGLJeGYjIs; (3GdUMGaIs; (3hSGFd GdGYdGes; (3JMQjQs; (3GdJYdje Gdegfis; (3GdUMajhfs; (3hcGdGJ GdGfHGAs; (3GdLhGfH GdSjGSjIs