(3GdbGfhf Qbe (B232 (3dSfI (B1959 (3aj TCf TQhW GdNOeI hGdJQbjI dVHGW GdbhGJ GdeSdMI hGdbGfhf Qbe (B234 (3dSfI (B1959 (3aj TCf bhGYO NOeI GdVHGW GdGMJjGW HGdbhGJ GdeSdMI (B:s (3habkG dBNQ GdJYOjdGJ (B/s - (3eUQ(B.s ((3GdbGgQI (B:s (3GdgjFI GdYGeI dTFhf GdeWGHY GdCejQjI,s, 1986)
Keywords: (3JTQjYGJ hbhGfjfs; (3GdbhGJ GdeSdMI(B.s