(3OhQ GdGYdGe ai GdGReGJ GdOhdjg (B/s - (3ghjOG eUWais ((3GdbGgQI (B:s (3eQcR GdeMQhSI ddHMhK hGdJOQjH hGdfTQ ,s, 2000)
Keywords: (3GdGYdGes; (3MQH GdNdjL (B1991s; (3GOGQI GdGReGJs