(3cJGH GdeYQha ef CSQGQ GdMQha (B: s (3eMGhdI aj JCed MQha GdCHLOjI h eYWjGJgG dcdeGJ GddZI GdYQHjI (B/ s - (3GdbGVj, eMeO YHO GdHGSWs ((3GdbGgQI (B:s (3ecJHI GdBOGH,s, 1993)
Keywords: (3GddZI GdYQHjIs; (3GdMQhas