(3GdEYdGe h GdOYGjI aj MQH GdNdjL (B:s (3hKGFb ef ZQaI GdYedjGJ (B/s - (3TdHj, cQe s ((3GdbGgQI (B:s (3ecJHI GdKQGJ GdGSdGej ,s, 1992)
Keywords: (3GdEYdGes; (3GdOYGjIs; (3MQH GdNdjLs; (3ZQaI GdYedjGJs