(3GdJMdjd GdehVhYj ddecJHGJ h eQGcR GdeYdheGJ (B/ s - (3Ndjag, TYHGfs; (3YHO GdgGOj, aJMjs ((3GdbGgQI (B:s (3GdYQHj ddfTQ hGdJhRjY,s, 1987)
Keywords: (3QDhS GdehVhYGJs