column
2000, 10(1): 13-19.
2000, 10(1): 30-37.
2000, 10(1): 44-51.
2000, 10(1): 61-67.
2000, 10(1): 68-73.
2000, 10(1): 80-88.
2000, 10(1): 89-96.