(3eTcdJGf h bQGAI ajgeG (B/ s - (3GdHTQj, WGQbs; (3GdYdehfj, Wg LGHQs ((3gjQfOf (B:s (3GdeYgO GdYGdej ddacQ GdESdGej,s, 1992)
Keywords: (3MQH GdNdjL (B1991s; (3GdYdhe GdSjGSjIs; (3GdebGdGJs