(3fYje GdLfI aj GdbQBf hGdSfI (B/s - (3YGThQ, YHO GddWjas ((3GdbGgQI (B:s (3ecJHI GdbQBf ;s, 1984)
Keywords: (3GdLfIs; (3GdSeYjGJs; (3jhe GdbjGeIs; (3GdKhGH hGdYbGHs