Journal of the Korean Statistical Society
Journal of the Korean Statistical Society > 2010 > 39 > 2 > 189-197
Journal of the Korean Statistical Society > 2010 > 39 > 4 > 555-564
Journal of the Korean Statistical Society > 2010 > 39 > 2 > 189-197
Journal of the Korean Statistical Society > 2010 > 39 > 4 > 555-564