(3GdaQGTGJ h CHh Objb (B/ s - (3def, QhHQJs; (3GdRjGOj, SejQs ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1981)
Keywords: (3MQTajGJ GdCLfMI(B((3QJHI(B)s; (3GdMTQGJs